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115
docs/advanced_topics.md
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@ -72,7 +72,111 @@ Identifier literals use the `::` prefix to push an identifier as a value rather
- Dynamic trait operations
- Meta-programming
### 11.3 Standard Library
### 11.3 Testing and Assertions
The `assert` operator provides inline testing and verification.
**Syntax**: `{ expression } { condition } assert`
The assert operator evaluates the expression block, then evaluates the condition block. If the condition returns false (or a falsy value), the program halts with an assertion failure.
**Examples**:
```
// Simple assertion
{ 2 3 + } { 5 == } assert
// Testing a function
{ 5 square } { 25 == } assert
// Multiple assertions
{ 10 3 divmod } { 3 == swap 1 == and } assert
// Assertion with message (implementation-specific)
{ 2 3 + } { 5 == } "Addition should work" assert
```
**Use Cases**:
- Unit testing
- Invariant checking
- Contract programming
- Debugging
**Testing Framework (Future)**: A more comprehensive testing framework with `test` and `test_error` operators is planned for future versions. See [Appendix F](./memory_management.html) for details.
### 11.4 Reflection
Reflection operators provide runtime type and trait information for debugging and metaprogramming.
**type_of Operator**
**Syntax**: `value type_of`
**Signature**: `(Self -- Identifier)`
Returns the type of a value as an identifier literal.
**Examples**:
```
42 type_of // Pushes ::i64
"hello" type_of // Pushes ::String
3.14 type_of // Pushes ::f64
// Use with conditionals
value type_of ::i64 ==
{ "It's an integer" print }
{ "It's not an integer" print }
if
```
**implements Operator**
**Syntax**: `value ::TraitName implements`
**Signature**: `(Self Identifier -- bool)`
Checks if a value's type implements a specific trait.
**Examples**:
```
42 ::Addable implements // => true
42 ::Drawable implements // => false
"hello" ::String implements // => true
[1 2 3] ::Iterable implements // => true
// Use with conditionals
value ::Serializable implements
{ value serialize }
{ "Cannot serialize" print }
if
```
**Use Cases**:
- Runtime type checking
- Debugging and introspection
- Dynamic dispatch based on traits
- Building generic utilities
- Error messages with type information
**Examples**:
```
// Generic print function with type info
(Self -- ) {
dup type_of to_str "Type: " swap concat print
dup ::Stringifiable implements
{ to_str print }
{ drop "Cannot print this type" print }
if
} ::debug_print fn
// Trait-based dispatch
(Self -- ) {
dup ::Drawable implements
{ draw }
{ drop "Not drawable" print }
if
} ::try_draw fn
```
### 11.5 Standard Library
The standard library provides I/O, string operations, type conversions, and utility functions. All standard library functions are automatically in scope (no imports needed in current version).
@ -91,6 +195,12 @@ The standard library provides I/O, string operations, type conversions, and util
"hello" 1 3 substr // Extract substring
"a,b,c" "," split // Split by delimiter
["a" "b"] "," join // Join with delimiter
"hello world" "world" "Stack" replace // Replace substring
" hello " trim // Remove whitespace
"hello world" "world" find // Find substring position
"hello" "hel" starts_with // Check prefix
"hello" "llo" ends_with // Check suffix
"x=%d, y=%d" [5 10] format // Format string with values
```
**Type Conversion**:
@ -104,7 +214,8 @@ The standard library provides I/O, string operations, type conversions, and util
**Array Operations**:
- Element access: `at`, `slice`
- Information: `length`, `shape`
- Combinators: `map`, `filter`, `reduce`, `each`
- Combinators: `map`, `filter`, `reduce`, `each`, `foldl`, `foldr`
- Utilities: `zip`, `enumerate`, `sum`, `mean`
- Manipulation: `concat`, `reverse`, `transpose`, `window`
> **Complete Reference**: See [Appendix A](./standard_library.html) for the full standard library reference with all functions, signatures, and examples.

45
docs/basic_operations.md
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@ -53,15 +53,37 @@ Basic arithmetic operations work on numeric types:
2.718 ln // ( a -- result ) Natural logarithm
```
**Mathematical Functions**:
```
16 sqrt // ( a -- result ) Square root
-5 abs // ( a -- result ) Absolute value
0.0 sin // ( a -- result ) Sine (radians)
0.0 cos // ( a -- result ) Cosine (radians)
0.0 tan // ( a -- result ) Tangent (radians)
1.0 asin // ( a -- result ) Arc sine
1.0 acos // ( a -- result ) Arc cosine
1.0 atan // ( a -- result ) Arc tangent
1.0 0.0 atan2 // ( y x -- result ) Two-argument arc tangent
3.14 floor // ( a -- result ) Round down
3.14 ceil // ( a -- result ) Round up
3.14 round // ( a -- result ) Round to nearest
3 5 min // ( a b -- result ) Minimum of two values
3 5 max // ( a b -- result ) Maximum of two values
```
**Examples**:
```
10 5 + // => 15
10 3 / // => 3
10 3 % // => 1
2 10 ^ // => 1024
16 sqrt // => 4.0
-42 abs // => 42
3.14159 sin // => ~0.0
3.7 round // => 4.0
```
> **Implementation Details**: Arithmetic operators implement the `::Addable`, `::Multiplyable`, `::Exponentiable`, and `::Logarithmic` traits. See [Appendix B](./complete_trait_reference.html) for complete trait definitions and [Appendix C](./complete_operator_reference.html) for the full operator reference.
> **Implementation Details**: Arithmetic operators implement the `::Addable`, `::Multiplyable`, `::Exponentiable`, `::Logarithmic`, and `::Math` traits. See [Appendix B](./complete_trait_reference.html) for complete trait definitions and [Appendix C](./complete_operator_reference.html) for the full operator reference.
### 4.3 Comparison Operators
@ -130,4 +152,25 @@ Bitwise operations work on integer types:
> **Implementation Details**: Bitwise operators implement the `::Bitwise` trait. See [Appendix B](./complete_trait_reference.html) for the complete trait definition.
### 4.6 Randomness
Random number generation is provided through built-in operators:
```
rand // ( -- f64 ) Generate random f64 in range [0.0, 1.0)
seed // ( u64 -- ) Seed the random number generator
```
**Examples**:
```
rand // => 0.7234... (random value)
12345 seed // Seed RNG with specific value
rand // => 0.4321... (deterministic after seed)
// Random integer in range
100 rand * floor // Random integer 0-99
```
> **Implementation Note**: The specific random number generation algorithm is implementation-defined but should be a high-quality PRNG suitable for general use (not cryptography).
---

18
docs/changes.md
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@ -6,7 +6,7 @@ Next:
# Stack Language Specification
**Version**: 0.8.1
**Version**: 0.8.2
**Status**: Draft Specification
**Changes**:
- 0.5 (AI)
@ -77,5 +77,21 @@ Next:
8. **Grammar simplification** - Referenced Implementable trait instead of repeating
- 0.8.1 (Human)
1. Added links
- 0.8.2 (AI)
1. **Constants** - Added constant definition syntax and semantics
2. **Enhanced literals** - Added underscore separators, character literals, octal syntax
3. **Mathematical functions** - Added sqrt, abs, trig functions, rounding, min/max
4. **Randomness** - Added rand and seed operators
5. **Array enhancements** - Added typed array syntax and arrays of structs
6. **Collection functions** - Added zip, enumerate, sum, mean, foldl, foldr
7. **String utilities** - Added replace, trim, find, starts_with, ends_with, format
8. **Testing support** - Added assert operator for inline testing
9. **Reflection operators** - Added type_of and implements for runtime introspection
10. **Compiler directives** - Added mention of implementation-specific directives
11. **Type reference** - Added Appendix H with complete type reference
12. **Math trait** - Added comprehensive Math trait to Appendix B
13. **Overflow behavior** - Documented integer wrap and float IEEE behavior
14. **Grammar updates** - Expanded Appendix D with new syntax forms
15. **Cross-references** - Updated all references to include new operators and functions
---

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docs/complete_operator_reference.md
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@ -10,7 +10,7 @@ This appendix provides a complete alphabetical reference of all operators in the
### Operator List
`!=`, `%`, `&` (bitand), `*`, `+`, `-`, `/`, `<`, `<=`, `==`, `>`, `>=`, `^`, `|` (bitor), `and`, `at`, `bitand`, `bitnot`, `bitor`, `bitxor`, `break`, `concat`, `continue`, `depth`, `drop`, `dup`, `each`, `enum`, `eval`, `filter`, `fn`, `for`, `get`, `if`, `impl`, `inher`, `lambda`, `length`, `ln`, `log`, `logb`, `map`, `match`, `not`, `or`, `over`, `pick`, `reduce`, `reverse`, `roll`, `rot`, `set`, `shl`, `shr`, `slice`, `struct`, `substr`, `swap`, `trait`, `transpose`, `union`, `while`, `window`
`!=`, `%`, `*`, `+`, `-`, `/`, `<`, `<=`, `==`, `>`, `>=`, `^`, `abs`, `acos`, `asin`, `assert`, `at`, `atan`, `atan2`, `bitand`, `bitnot`, `bitor`, `bitxor`, `break`, `ceil`, `concat`, `continue`, `cos`, `depth`, `drop`, `dup`, `each`, `ends_with`, `enum`, `enumerate`, `eval`, `filter`, `find`, `floor`, `foldl`, `foldr`, `for`, `format`, `get`, `if`, `impl`, `implements`, `inher`, `lambda`, `length`, `ln`, `log`, `logb`, `map`, `match`, `max`, `mean`, `min`, `not`, `or`, `over`, `pick`, `rand`, `reduce`, `replace`, `reverse`, `roll`, `rot`, `round`, `seed`, `set`, `shl`, `shr`, `sin`, `slice`, `split`, `sqrt`, `starts_with`, `struct`, `substr`, `sum`, `swap`, `tan`, `trait`, `transpose`, `trim`, `type_of`, `union`, `while`, `window`, `zip`
### Alphabetical Operator Reference
@ -119,7 +119,25 @@ This appendix provides a complete alphabetical reference of all operators in the
**Trait**: Exponentiable
**Description**: Raise first value to power of second (exponentiation).
**Example**: `2 8 ^ // => 256`
**See Also**: log, ln, logb
**See Also**: log, ln, sqrt
**Section**: 4.2 (Arithmetic Operators)
#### abs
**Operator Type**: Mathematical
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Return absolute value of number.
**Example**: `-42 abs // => 42`
**See Also**: min, max
**Section**: 4.2 (Arithmetic Operators)
#### acos
**Operator Type**: Mathematical
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate arc cosine in radians.
**Example**: `1.0 acos // => 0.0`
**See Also**: cos, asin, atan
**Section**: 4.2 (Arithmetic Operators)
#### and
@ -131,6 +149,23 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: or, not
**Section**: 4.4 (Logical Operators)
#### asin
**Operator Type**: Mathematical
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate arc sine in radians.
**Example**: `1.0 asin // => ~1.5708`
**See Also**: sin, acos, atan
**Section**: 4.2 (Arithmetic Operators)
#### assert
**Operator Type**: Testing
**Signature**: `(TokenString TokenString --)`
**Description**: Evaluate expression and condition, halt if condition is false.
**Example**: `{ 2 3 + } { 5 == } assert`
**See Also**: type_of, implements
**Section**: 11.3 (Testing and Assertions)
#### at
**Operator Type**: Container Access
**Signature**: `(Selectable<T> Size -- T)`
@ -140,6 +175,24 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: slice, length
**Section**: 7.4 (Arrays)
#### atan
**Operator Type**: Mathematical
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate arc tangent in radians.
**Example**: `1.0 atan // => ~0.7854`
**See Also**: tan, atan2, asin
**Section**: 4.2 (Arithmetic Operators)
#### atan2
**Operator Type**: Mathematical
**Signature**: `(Math Math -- Math)`
**Trait**: Math
**Description**: Two-argument arc tangent using signs to determine quadrant.
**Example**: `1.0 1.0 atan2 // => ~0.7854`
**See Also**: atan, tan
**Section**: 4.2 (Arithmetic Operators)
#### bitand
**Operator Type**: Bitwise
**Signature**: `(Bitwise Bitwise -- Bitwise)`
@ -184,6 +237,15 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: continue, while, for
**Section**: 6.4 (Loop Control)
#### ceil
**Operator Type**: Mathematical
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Round number up to nearest integer.
**Example**: `3.14 ceil // => 4.0`
**See Also**: floor, round
**Section**: 4.2 (Arithmetic Operators)
#### concat
**Operator Type**: Container
**Signature**: `(Concatenable Concatenable -- Concatenable)`
@ -201,6 +263,15 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: break, while, for
**Section**: 6.4 (Loop Control)
#### cos
**Operator Type**: Mathematical
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate cosine of angle in radians.
**Example**: `0.0 cos // => 1.0`
**See Also**: sin, tan, acos
**Section**: 4.2 (Arithmetic Operators)
#### depth
**Operator Type**: Stack Manipulation
**Signature**: `(-- Size)`
@ -236,6 +307,15 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: map, filter, reduce
**Section**: 7.4 (Arrays)
#### ends_with
**Operator Type**: String
**Signature**: `(String String -- bool)`
**Trait**: String
**Description**: Check if string ends with given suffix.
**Example**: `"hello" "lo" ends_with // => true`
**See Also**: starts_with, find
**Section**: 11.5 (String Operations)
#### enum
**Operator Type**: Definition
**Signature**: `(TokenString Identifier --)`
@ -245,6 +325,14 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: struct, union, trait
**Section**: 7.3 (Enums)
#### enumerate
**Operator Type**: Array
**Signature**: `(ArrayOf<T> -- ArrayOf<Pair<Size T>>)`
**Description**: Add indices to array elements.
**Example**: `["a" "b" "c"] enumerate // => [[0 "a"] [1 "b"] [2 "c"]]`
**See Also**: zip, map
**Section**: 7.4 (Arrays)
#### eval
**Operator Type**: Meta
**Signature**: `(TokenString --)`
@ -262,6 +350,24 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: map, reduce, each
**Section**: 7.4 (Arrays)
#### find
**Operator Type**: String
**Signature**: `(String String -- Option<Size>)`
**Trait**: String
**Description**: Find position of substring.
**Example**: `"hello world" "world" find // => Option::Some(6)`
**See Also**: starts_with, ends_with
**Section**: 11.5 (String Operations)
#### floor
**Operator Type**: Mathematical
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Round number down to nearest integer.
**Example**: `3.14 floor // => 3.0`
**See Also**: ceil, round
**Section**: 4.2 (Arithmetic Operators)
#### fn
**Operator Type**: Definition
**Signature**: `(TypeTuple TokenString Identifier --)`
@ -271,6 +377,22 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: lambda, trait, impl
**Section**: 5.2 (Defining Functions)
#### foldl
**Operator Type**: Array Combinator
**Signature**: `(ArrayOf<T> U TokenString -- U)`
**Description**: Left fold array with accumulator function.
**Example**: `[1 2 3 4] 0 { + } foldl // => 10`
**See Also**: foldr, reduce
**Section**: 7.4 (Arrays)
#### foldr
**Operator Type**: Array Combinator
**Signature**: `(ArrayOf<T> U TokenString -- U)`
**Description**: Right fold array with accumulator function.
**Example**: `[1 2 3 4] 0 { + } foldr // => 10`
**See Also**: foldl, reduce
**Section**: 7.4 (Arrays)
#### for
**Operator Type**: Control Flow
**Signature**: `(Size Size TokenString --)`
@ -279,6 +401,15 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: while, break, continue
**Section**: 6.3 (For Loops)
#### format
**Operator Type**: String
**Signature**: `(String Iterable<Stringifiable> -- String)`
**Trait**: String
**Description**: Format string with values, replacing placeholders.
**Example**: `"x=%d, y=%d" [5 10] format // => "x=5, y=10"`
**See Also**: to_str, concat
**Section**: 11.5 (String Operations)
#### get
**Operator Type**: Struct Access
**Signature**: `(Struct Identifier -- FieldValue)`
@ -304,6 +435,14 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: trait, inher
**Section**: 9.3 (Implementing Traits)
#### implements
**Operator Type**: Reflection
**Signature**: `(Self Identifier -- bool)`
**Description**: Check if value's type implements a specific trait.
**Example**: `42 ::Addable implements // => true`
**See Also**: type_of, assert
**Section**: 11.4 (Reflection)
#### inher
**Operator Type**: Definition
**Signature**: `(ArrayOf<Identifier> Identifier --)`
@ -374,6 +513,32 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: if
**Section**: 6.5 (Pattern Matching)
#### max
**Operator Type**: Mathematical
**Signature**: `(Math Math -- Math)`
**Trait**: Math
**Description**: Return the maximum of two values.
**Example**: `3 5 max // => 5`
**See Also**: min, abs
**Section**: 4.2 (Arithmetic Operators)
#### mean
**Operator Type**: Array
**Signature**: `(ArrayOf<Number> -- f64)`
**Description**: Calculate average of numeric array elements.
**Example**: `[1 2 3 4 5] mean // => 3.0`
**See Also**: sum, reduce
**Section**: 7.4 (Arrays)
#### min
**Operator Type**: Mathematical
**Signature**: `(Math Math -- Math)`
**Trait**: Math
**Description**: Return the minimum of two values.
**Example**: `3 5 min // => 3`
**See Also**: max, abs
**Section**: 4.2 (Arithmetic Operators)
#### not
**Operator Type**: Logical
**Signature**: `(Logical -- Logical)`
@ -410,14 +575,31 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: roll, depth
**Section**: 4.1 (Stack Operations)
#### rand
**Operator Type**: Randomness
**Signature**: `(-- f64)`
**Description**: Generate random f64 in range [0.0, 1.0).
**Example**: `rand // => 0.7234...`
**See Also**: seed
**Section**: 4.6 (Randomness)
#### reduce
**Operator Type**: Array Combinator
**Signature**: `(ArrayOf<T> T TokenString -- T)`
**Description**: Fold array with accumulator function.
**Example**: `[1 2 3 4] 0 { + } reduce // => 10`
**See Also**: map, filter, each
**See Also**: map, filter, foldl
**Section**: 7.4 (Arrays)
#### replace
**Operator Type**: String
**Signature**: `(String String String -- String)`
**Trait**: String
**Description**: Replace all occurrences of substring with replacement.
**Example**: `"hello world" "world" "Stack" replace // => "hello Stack"`
**See Also**: split, concat
**Section**: 11.5 (String Operations)
#### reverse
**Operator Type**: Array
**Signature**: `(ArrayOf<T> -- ArrayOf<T>)`
@ -444,6 +626,23 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: swap, roll
**Section**: 4.1 (Stack Operations)
#### round
**Operator Type**: Mathematical
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Round number to nearest integer.
**Example**: `3.7 round // => 4.0`
**See Also**: floor, ceil
**Section**: 4.2 (Arithmetic Operators)
#### seed
**Operator Type**: Randomness
**Signature**: `(u64 --)`
**Description**: Seed the random number generator with specific value.
**Example**: `12345 seed`
**See Also**: rand
**Section**: 4.6 (Randomness)
#### set
**Operator Type**: Struct Access
**Signature**: `(Value Identifier -- Struct)`
@ -470,6 +669,15 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: shl, bitand, bitor
**Section**: 4.5 (Bitwise Operators)
#### sin
**Operator Type**: Mathematical
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate sine of angle in radians.
**Example**: `0.0 sin // => 0.0`
**See Also**: cos, tan, asin
**Section**: 4.2 (Arithmetic Operators)
#### slice
**Operator Type**: Container
**Signature**: `(Sliceable Size Size -- Sliceable)`
@ -479,6 +687,33 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: at, length
**Section**: 7.4 (Arrays)
#### split
**Operator Type**: String
**Signature**: `(String String -- ArrayOf<String>)`
**Trait**: String
**Description**: Split string by delimiter.
**Example**: `"a,b,c" "," split // => ["a" "b" "c"]`
**See Also**: join, substr
**Section**: 11.5 (String Operations)
#### sqrt
**Operator Type**: Mathematical
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate square root.
**Example**: `16 sqrt // => 4.0`
**See Also**: ^
**Section**: 4.2 (Arithmetic Operators)
#### starts_with
**Operator Type**: String
**Signature**: `(String String -- bool)`
**Trait**: String
**Description**: Check if string starts with given prefix.
**Example**: `"hello" "hel" starts_with // => true`
**See Also**: ends_with, find
**Section**: 11.5 (String Operations)
#### struct
**Operator Type**: Definition
**Signature**: `(TypeTuple TokenString Identifier --)`
@ -495,7 +730,15 @@ This appendix provides a complete alphabetical reference of all operators in the
**Description**: Extract substring from start to end index.
**Example**: `"hello" 1 3 substr // => "el"`
**See Also**: slice, split
**Section**: 11.3 (String Operations)
**Section**: 11.5 (String Operations)
#### sum
**Operator Type**: Array
**Signature**: `(ArrayOf<Number> -- Number)`
**Description**: Sum all numeric elements in array.
**Example**: `[1 2 3 4 5] sum // => 15`
**See Also**: mean, reduce
**Section**: 7.4 (Arrays)
#### swap
**Operator Type**: Stack Manipulation
@ -506,6 +749,15 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: dup, rot
**Section**: 4.1 (Stack Operations)
#### tan
**Operator Type**: Mathematical
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate tangent of angle in radians.
**Example**: `0.0 tan // => 0.0`
**See Also**: sin, cos, atan
**Section**: 4.2 (Arithmetic Operators)
#### trait
**Operator Type**: Definition
**Signature**: `(TokenString Identifier --)`
@ -523,6 +775,23 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: reverse
**Section**: 7.4 (Arrays)
#### trim
**Operator Type**: String
**Signature**: `(String -- String)`
**Trait**: String
**Description**: Remove leading and trailing whitespace.
**Example**: `" hello " trim // => "hello"`
**See Also**: split, replace
**Section**: 11.5 (String Operations)
#### type_of
**Operator Type**: Reflection
**Signature**: `(Self -- Identifier)`
**Description**: Return the type of a value as an identifier literal.
**Example**: `42 type_of // => ::i64`
**See Also**: implements, assert
**Section**: 11.4 (Reflection)
#### union
**Operator Type**: Definition
**Signature**: `(TypeTuple TokenString Identifier --)`
@ -548,4 +817,12 @@ This appendix provides a complete alphabetical reference of all operators in the
**See Also**: slice
**Section**: 7.4 (Arrays)
#### zip
**Operator Type**: Array
**Signature**: `(ArrayOf<T> ArrayOf<U> -- ArrayOf<Pair<T U>>)`
**Description**: Combine two arrays element-wise into pairs.
**Example**: `[1 2 3] [4 5 6] zip // => [[1 4] [2 5] [3 6]]`
**See Also**: enumerate, map
**Section**: 7.4 (Arrays)
---

154
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@ -23,6 +23,7 @@ This appendix contains all built-in trait definitions with complete documentatio
- Iterable<T>
- Logarithmic
- Logical
- Math
- Multiplyable
- Number
- Orderable
@ -62,7 +63,7 @@ This appendix contains all built-in trait definitions with complete documentatio
**Standard Implementations**: All numeric types (i8, i16, i32, i64, u8, u16, u32, u64, f32, f64)
**Related Traits**: Multiplyable, Number
**Related Traits**: Multiplyable, Number, Math
**See Also**: Section 4.2 (Arithmetic Operators)
@ -211,7 +212,7 @@ This appendix contains all built-in trait definitions with complete documentatio
**Related Traits**: Stringifiable, Parseable, Size
**See Also**: Section 11.3 (Type Conversion)
**See Also**: Section 11.5 (Type Conversion)
### Equatable
@ -265,7 +266,7 @@ This appendix contains all built-in trait definitions with complete documentatio
**Standard Implementations**: Numeric types
**Related Traits**: Addable, Multiplyable, Number
**Related Traits**: Addable, Multiplyable, Number, Math
**See Also**: Section 4.2 (Arithmetic Operators)
@ -382,7 +383,7 @@ This appendix contains all built-in trait definitions with complete documentatio
**Standard Implementations**: Floating point types
**Related Traits**: Exponentiable, Number
**Related Traits**: Exponentiable, Number, Math
**See Also**: Section 4.2 (Arithmetic Operators)
@ -429,6 +430,109 @@ This appendix contains all built-in trait definitions with complete documentatio
**See Also**: Section 4.4 (Logical Operators)
### Math
**Generic Parameters**: None
**Inherits**: None
**Definition**:
```
{
(Self -- Self) sqrt:
(Self -- Self) abs:
(Self -- Self) sin:
(Self -- Self) cos:
(Self -- Self) tan:
(Self -- Self) asin:
(Self -- Self) acos:
(Self -- Self) atan:
(Self Self -- Self) atan2:
(Self -- Self) floor:
(Self -- Self) ceil:
(Self -- Self) round:
(Self Self -- Self) min:
(Self Self -- Self) max:
} ::Math trait
```
**Methods**:
#### sqrt:
**Signature**: `(Self -- Self)`
**Description**: Calculate square root.
**Example**: `16 sqrt // => 4.0`
#### abs:
**Signature**: `(Self -- Self)`
**Description**: Return absolute value.
**Example**: `-42 abs // => 42`
#### sin:
**Signature**: `(Self -- Self)`
**Description**: Calculate sine (radians).
**Example**: `0.0 sin // => 0.0`
#### cos:
**Signature**: `(Self -- Self)`
**Description**: Calculate cosine (radians).
**Example**: `0.0 cos // => 1.0`
#### tan:
**Signature**: `(Self -- Self)`
**Description**: Calculate tangent (radians).
**Example**: `0.0 tan // => 0.0`
#### asin:
**Signature**: `(Self -- Self)`
**Description**: Calculate arc sine (radians).
**Example**: `1.0 asin // => ~1.5708`
#### acos:
**Signature**: `(Self -- Self)`
**Description**: Calculate arc cosine (radians).
**Example**: `1.0 acos // => 0.0`
#### atan:
**Signature**: `(Self -- Self)`
**Description**: Calculate arc tangent (radians).
**Example**: `1.0 atan // => ~0.7854`
#### atan2:
**Signature**: `(Self Self -- Self)`
**Description**: Two-argument arc tangent.
**Example**: `1.0 1.0 atan2 // => ~0.7854`
#### floor:
**Signature**: `(Self -- Self)`
**Description**: Round down to nearest integer.
**Example**: `3.14 floor // => 3.0`
#### ceil:
**Signature**: `(Self -- Self)`
**Description**: Round up to nearest integer.
**Example**: `3.14 ceil // => 4.0`
#### round:
**Signature**: `(Self -- Self)`
**Description**: Round to nearest integer.
**Example**: `3.7 round // => 4.0`
#### min:
**Signature**: `(Self Self -- Self)`
**Description**: Return minimum of two values.
**Example**: `3 5 min // => 3`
#### max:
**Signature**: `(Self Self -- Self)`
**Description**: Return maximum of two values.
**Example**: `3 5 max // => 5`
**Standard Implementations**: Numeric types (especially floating point)
**Related Traits**: Number, Addable, Multiplyable, Exponentiable, Logarithmic
**See Also**: Section 4.2 (Arithmetic Operators), Section 4.6 (Randomness)
### Multiplyable
**Generic Parameters**: None
@ -462,7 +566,7 @@ This appendix contains all built-in trait definitions with complete documentatio
**Standard Implementations**: All numeric types
**Related Traits**: Addable, Exponentiable, Number
**Related Traits**: Addable, Exponentiable, Number, Math
**See Also**: Section 4.2 (Arithmetic Operators)
@ -481,7 +585,7 @@ This appendix contains all built-in trait definitions with complete documentatio
**Standard Implementations**: All numeric types (i8, i16, i32, i64, u8, u16, u32, u64, f32, f64)
**Related Traits**: Addable, Multiplyable, Exponentiable, Comparable, Logarithmic
**Related Traits**: Addable, Multiplyable, Exponentiable, Comparable, Logarithmic, Math
**See Also**: Section 4.2 (Arithmetic Operators)
@ -581,11 +685,11 @@ This appendix contains all built-in trait definitions with complete documentatio
### Size
**Generic Parameters**: None
**Inherits**: Addable, Comparable, Convertible<i64>
**Inherits**: Addable, Comparable, Convertible
**Definition**:
```
[ ::Addable ::Comparable ::Convertible<i64> ] ::Size inher
[ ::Addable ::Comparable ::Convertible ] ::Size inher
{ } ::Size trait
```
@ -725,6 +829,11 @@ This appendix contains all built-in trait definitions with complete documentatio
{
(Self Size Size -- Self) substr:
(Self Self -- ArrayOf<Self>) split:
(Self Self String -- Self) replace:
(Self -- Self) trim:
(Self Self -- Option<Size>) find:
(Self Self -- bool) starts_with:
(Self Self -- bool) ends_with:
} ::String trait
```
@ -740,11 +849,36 @@ This appendix contains all built-in trait definitions with complete documentatio
**Description**: Split string by delimiter.
**Example**: `"a,b,c" "," split // => ["a" "b" "c"]`
#### replace:
**Signature**: `(Self Self String -- Self)`
**Description**: Replace all occurrences of substring.
**Example**: `"hello world" "world" "Stack" replace // => "hello Stack"`
#### trim:
**Signature**: `(Self -- Self)`
**Description**: Remove leading and trailing whitespace.
**Example**: `" hello " trim // => "hello"`
#### find:
**Signature**: `(Self Self -- Option<Size>)`
**Description**: Find position of substring.
**Example**: `"hello world" "world" find // => Option::Some(6)`
#### starts_with:
**Signature**: `(Self Self -- bool)`
**Description**: Check if string starts with prefix.
**Example**: `"hello" "hel" starts_with // => true`
#### ends_with:
**Signature**: `(Self Self -- bool)`
**Description**: Check if string ends with suffix.
**Example**: `"hello" "lo" ends_with // => true`
**Standard Implementations**: String type
**Related Traits**: Concatenable, Sized, Sliceable
**See Also**: Section 11.3 (String Operations)
**See Also**: Section 11.5 (String Operations)
### Stringifiable
@ -769,6 +903,6 @@ This appendix contains all built-in trait definitions with complete documentatio
**Related Traits**: Parseable, Convertible
**See Also**: Section 11.3 (Type Conversion)
**See Also**: Section 11.5 (Type Conversion)
---

312
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@ -0,0 +1,312 @@
---
Title: H Complete Type Reference
Prev: Examples and Tutorials
Next:
---
## Appendix H: Complete Type Reference
This appendix provides detailed information about all types in the language, organized alphabetically.
### Primitive Types
#### bool
**Description**: Boolean value representing true or false.
**Size**: 1 byte
**Values**: `true`, `false`
**Default**: `false`
**Traits Implemented**: Stackable, Equatable, Logical, Stringifiable
**Conversions**: to_str
**Example**:
```
true
false
5 3 > // => true
```
#### char
**Description**: Single UTF-8 character.
**Size**: 4 bytes (Unicode code point)
**Values**: Any valid Unicode character
**Literals**: `'A'`, `'\n'`, `'\u{1F600}'`
**Traits Implemented**: Stackable, Equatable, Orderable, Comparable, Stringifiable
**Conversions**: to_str
**Example**:
```
'A'
'😀'
'\n'
```
#### f32
**Description**: 32-bit floating point number (IEEE 754 single precision).
**Size**: 4 bytes
**Range**: ±1.18e-38 to ±3.40e+38
**Precision**: ~7 decimal digits
**Default**: `0.0`
**Traits Implemented**: Stackable, Addable, Multiplyable, Exponentiable, Logarithmic, Math, Orderable, Equatable, Comparable, Number, Convertible, Stringifiable, Parseable
**Conversions**: to_i8, to_i16, to_i32, to_i64, to_u8, to_u16, to_u32, to_u64, to_f64, to_str
**Overflow Behavior**: IEEE 754 (infinity/NaN)
**Example**:
```
3.14:f32
1.0:f32 2.0:f32 +
```
#### f64
**Description**: 64-bit floating point number (IEEE 754 double precision).
**Size**: 8 bytes
**Range**: ±2.23e-308 to ±1.80e+308
**Precision**: ~15 decimal digits
**Default**: `0.0` (default float type)
**Traits Implemented**: Stackable, Addable, Multiplyable, Exponentiable, Logarithmic, Math, Orderable, Equatable, Comparable, Number, Convertible, Stringifiable, Parseable
**Conversions**: to_i8, to_i16, to_i32, to_i64, to_u8, to_u16, to_u32, to_u64, to_f32, to_str
**Overflow Behavior**: IEEE 754 (infinity/NaN)
**Example**:
```
3.14
1.0 2.0 +
```
#### i8
**Description**: 8-bit signed integer.
**Size**: 1 byte
**Range**: -128 to 127
**Default**: `0`
**Traits Implemented**: Stackable, Addable, Multiplyable, Exponentiable, Logarithmic, Math, Orderable, Equatable, Comparable, Bitwise, Number, Size, Convertible, Stringifiable, Parseable
**Conversions**: to_i16, to_i32, to_i64, to_u8, to_u16, to_u32, to_u64, to_f32, to_f64, to_str
**Overflow Behavior**: Wrapping
**Example**:
```
42:i8
127:i8 1:i8 + // => -128 (wraps)
```
#### i16
**Description**: 16-bit signed integer.
**Size**: 2 bytes
**Range**: -32,768 to 32,767
**Default**: `0`
**Traits Implemented**: Stackable, Addable, Multiplyable, Exponentiable, Logarithmic, Math, Orderable, Equatable, Comparable, Bitwise, Number, Size, Convertible, Stringifiable, Parseable
**Conversions**: to_i8, to_i32, to_i64, to_u8, to_u16, to_u32, to_u64, to_f32, to_f64, to_str
**Overflow Behavior**: Wrapping
**Example**:
```
1000:i16
```
#### i32
**Description**: 32-bit signed integer.
**Size**: 4 bytes
**Range**: -2,147,483,648 to 2,147,483,647
**Default**: `0`
**Traits Implemented**: Stackable, Addable, Multiplyable, Exponentiable, Logarithmic, Math, Orderable, Equatable, Comparable, Bitwise, Number, Size, Convertible, Stringifiable, Parseable
**Conversions**: to_i8, to_i16, to_i64, to_u8, to_u16, to_u32, to_u64, to_f32, to_f64, to_str
**Overflow Behavior**: Wrapping
**Example**:
```
1000000:i32
```
#### i64
**Description**: 64-bit signed integer.
**Size**: 8 bytes
**Range**: -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
**Default**: `0` (default integer type)
**Traits Implemented**: Stackable, Addable, Multiplyable, Exponentiable, Logarithmic, Math, Orderable, Equatable, Comparable, Bitwise, Number, Size, Convertible, Stringifiable, Parseable
**Conversions**: to_i8, to_i16, to_i32, to_u8, to_u16, to_u32, to_u64, to_f32, to_f64, to_str
**Overflow Behavior**: Wrapping
**Example**:
```
42
1000000000
```
#### u8
**Description**: 8-bit unsigned integer.
**Size**: 1 byte
**Range**: 0 to 255
**Default**: `0`
**Traits Implemented**: Stackable, Addable, Multiplyable, Exponentiable, Logarithmic, Math, Orderable, Equatable, Comparable, Bitwise, Number, Size, Convertible, Stringifiable, Parseable
**Conversions**: to_i8, to_i16, to_i32, to_i64, to_u16, to_u32, to_u64, to_f32, to_f64, to_str
**Overflow Behavior**: Wrapping
**Example**:
```
255:u8
```
#### u16
**Description**: 16-bit unsigned integer.
**Size**: 2 bytes
**Range**: 0 to 65,535
**Default**: `0`
**Traits Implemented**: Stackable, Addable, Multiplyable, Exponentiable, Logarithmic, Math, Orderable, Equatable, Comparable, Bitwise, Number, Size, Convertible, Stringifiable, Parseable
**Conversions**: to_i8, to_i16, to_i32, to_i64, to_u8, to_u32, to_u64, to_f32, to_f64, to_str
**Overflow Behavior**: Wrapping
**Example**:
```
65535:u16
```
#### u32
**Description**: 32-bit unsigned integer.
**Size**: 4 bytes
**Range**: 0 to 4,294,967,295
**Default**: `0`
**Traits Implemented**: Stackable, Addable, Multiplyable, Exponentiable, Logarithmic, Math, Orderable, Equatable, Comparable, Bitwise, Number, Size, Convertible, Stringifiable, Parseable
**Conversions**: to_i8, to_i16, to_i32, to_i64, to_u8, to_u16, to_u64, to_f32, to_f64, to_str
**Overflow Behavior**: Wrapping
**Example**:
```
4000000000:u32
```
#### u64
**Description**: 64-bit unsigned integer.
**Size**: 8 bytes
**Range**: 0 to 18,446,744,073,709,551,615
**Default**: `0`
**Traits Implemented**: Stackable, Addable, Multiplyable, Exponentiable, Logarithmic, Math, Orderable, Equatable, Comparable, Bitwise, Number, Size, Convertible, Stringifiable, Parseable
**Conversions**: to_i8, to_i16, to_i32, to_i64, to_u8, to_u16, to_u32, to_f32, to_f64, to_str
**Overflow Behavior**: Wrapping
**Example**:
```
18000000000000000000:u64
```
### Composite Types
#### Array<T>
**Description**: Homogeneous collection of values of type T.
**Size**: Variable (depends on length and element type)
**Syntax**: `[elements]` or `[elements :type]`
**Traits Implemented**: Stackable, ArrayOf<T>, Sized, Selectable<T>, Sliceable, Iterable<T>, Concatenable, Equatable, Stringifiable
**Operations**: at, slice, length, map, filter, reduce, each, foldl, foldr, concat, reverse, transpose, window, zip, enumerate, sum, mean
**Example**:
```
[1 2 3 4 5]
[1.0 2.0 3.0 :f32]
[[1 2] [3 4]]
```
#### String
**Description**: UTF-8 encoded string of characters.
**Size**: Variable
**Syntax**: `"text"`
**Traits Implemented**: Stackable, String, Sized, Sliceable, Concatenable, Iterable<char>, Orderable, Equatable, Comparable, Stringifiable, Parseable
**Operations**: length, concat, substr, split, join, replace, trim, find, starts_with, ends_with, format
**Example**:
```
"hello world"
"hello" " world" concat
```
#### Struct
**Description**: User-defined composite type with named fields.
**Size**: Sum of field sizes
**Syntax**: `(field_types --) { field_names: } ::Name<T>? struct`
**Traits Implemented**: Stackable, Equatable (if fields are), Stringifiable (if fields are)
**Operations**: get, set (field access)
**Example**:
```
(Number Number --) { x: y: } ::Point struct
3.0 4.0 Point
point ::x get
```
#### Union
**Description**: Tagged union with multiple possible variant types.
**Size**: Size of largest variant plus tag
**Syntax**: `(variant_types --) { variants } ::Name<T>? union`
**Traits Implemented**: Stackable, Equatable (if variants are), Stringifiable (if variants are)
**Operations**: Pattern matching with match
**Example**:
```
(T --) { Some(T) None } ::Option<T> union
42 Option::Some
Option::None
```
#### Enum
**Description**: Fixed set of named integer values.
**Size**: Size of underlying integer type (typically i64)
**Syntax**: `{ variants } ::Name enum`
**Traits Implemented**: Stackable, Equatable, Orderable, Comparable, Convertible, Stringifiable
**Operations**: Pattern matching, comparison
**Example**:
```
{ Pending: Active: Complete: } ::Status enum
Status::Active
```
### Standard Generic Types
#### Option<T>
**Description**: Represents an optional value - either Some(T) or None.
**Definition**: `(T --) { Some(T) None } ::Option<T> union`
**Use Cases**: Nullable values, error handling, optional parameters
**Traits Implemented**: Stackable, Logical (None is falsy), Equatable, Stringifiable
**Example**:
```
42 Option::Some
Option::None
opt {
Some(x) => { x print }
None => { "Nothing" print }
} match
```
#### Result<T E>
**Description**: Represents success (Ok) or failure (Err) with values.
**Definition**: `(T E --) { Ok(T) Err(E) } ::Result<T E> union`
**Use Cases**: Error handling with details, operations that can fail
**Traits Implemented**: Stackable, Logical (Err is falsy), Equatable, Stringifiable
**Example**:
```
"success" Result::Ok
"error message" Result::Err
result {
Ok(val) => { val process }
Err(e) => { e "Error: " swap concat print }
} match
```
### Special Types
#### Identifier
**Description**: Represents an identifier literal (name pushed as value).
**Syntax**: `::name`
**Traits Implemented**: Identifier, Stackable, Equatable, Stringifiable
**Use Cases**: Struct/trait definitions, field access, meta-programming
**Example**:
```
::Point
::Addable
point ::x get
```
#### TokenString
**Description**: Unparsed code block enclosed in braces.
**Syntax**: `{ code }`
**Traits Implemented**: Implementable
**Use Cases**: Function bodies, control flow blocks, lambda expressions
**Example**:
```
{ dup * }
{ 2 3 + } eval
```
#### Callable
**Description**: Executable code block created by lambda operator.
**Created By**: `lambda` operator
**Traits Implemented**: Stackable
**Use Cases**: First-class functions, higher-order operations
**Example**:
```
{ dup * } lambda ::square swap
5 square eval // => 25
```
---

28
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@ -109,6 +109,13 @@ Arrays are homogeneous collections of values.
[1 2 3 4 5] // array of i64
[1.0 2.0 3.0] // array of f64
[[1 2] [3 4]] // 2D array
// Typed arrays
[1 2 3 :i16] // array of i16
[[1.0 2.0] [3.0 4.0] :f32] // 2D array of f32
// Arrays of structs (when Point is defined)
[{1 2} {3 4} :Point] // array of Point structs
```
**Basic Operations**:
@ -134,6 +141,27 @@ These operations take TokenString arguments containing function bodies:
// Each - apply to each element (side effects)
[[1 2] [3 4]] { sum print } each
// Foldl - left fold with accumulator
[1 2 3 4] 0 { + } foldl // => 10 (same as reduce)
// Foldr - right fold with accumulator
[1 2 3 4] 0 { + } foldr // => 10 (for commutative ops)
```
**Array Utilities**:
```
// Zip - combine two arrays element-wise
[1 2 3] [4 5 6] zip // => [[1 4] [2 5] [3 6]]
// Enumerate - add indices to elements
["a" "b" "c"] enumerate // => [[0 "a"] [1 "b"] [2 "c"]]
// Sum - sum all numeric elements
[1 2 3 4 5] sum // => 15
// Mean - calculate average
[1 2 3 4 5] mean // => 3.0
```
**Array Arithmetic**:

183
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@ -1,7 +1,7 @@
---
Title: G Examples & Tutorials
Prev: Memory Management
Next:
Next:Complete Type Reference
---
## Appendix G: Examples & Tutorials
@ -255,28 +255,34 @@ Option::None // Option<T>::None
3 4 weird_math // => 28
```
#### G.4.3 Logarithm Usage
#### G.4.3 Mathematical Functions Usage
```
// Calculate log base 10
100 log print // => 2.0
1000 log print // => 3.0
// Square root
16 sqrt print // => 4.0
2.0 sqrt print // => ~1.414
// Calculate natural logarithm
2.718 ln print // => ~1.0
7.389 ln print // => ~2.0
// Trigonometric functions
0.0 sin print // => 0.0
0.0 cos print // => 1.0
1.0 atan print // => ~0.7854
// Calculate with custom base
8 2 logb print // => 3.0 (2³ = 8)
27 3 logb print // => 3.0 (3³ = 27)
// Rounding functions
3.14 floor print // => 3.0
3.14 ceil print // => 4.0
3.7 round print // => 4.0
// Combine with other operations
10 3 ^ log print // => 3.0 (log of 1000)
// Min/max
3 5 min print // => 3
3 5 max print // => 5
// Logarithm laws verification
// log(a*b) = log(a) + log(b)
10 100 * log // log(1000) = 3.0
10 log 100 log + // log(10) + log(100) = 1.0 + 2.0 = 3.0
// Absolute value
-42 abs print // => 42
// Random numbers
rand print // => 0.7234... (random)
12345 seed // Seed for deterministic results
rand print // => 0.4321... (deterministic after seed)
```
#### G.4.4 Factorial
@ -395,38 +401,137 @@ print // => 9
swap length // Length: 5
/ // Average: 30
print
// Or use built-in functions
[10 20 30 40 50] mean print // => 30.0
[1 2 3 4 5] sum print // => 15
// Zip and enumerate
[1 2 3] [4 5 6] zip print // => [[1 4] [2 5] [3 6]]
["a" "b" "c"] enumerate print // => [[0 "a"] [1 "b"] [2 "c"]]
```
#### G.4.8 Identifier Literals in Practice
#### G.4.8 String Operations
```
// Identifier literals are used in struct/trait definitions
// and field access
// String manipulation
"hello" " world" concat print // => "hello world"
"hello" 1 3 substr print // => "el"
"a,b,c" "," split print // => ["a" "b" "c"]
["a" "b" "c"] "," join print // => "a,b,c"
// Defining a struct requires ::StructName identifier literal
(Number Number --) { x: y: } ::Point struct
// String searching
"hello world" "world" find // => Option::Some(6)
"hello" "hel" starts_with print // => true
"hello" "lo" ends_with print // => true
// Field access requires ::field_name identifier literal
3.0 4.0 Point
dup ::x get print // Prints: 3.0
::y get print // Prints: 4.0
// String modification
"hello world" "world" "Stack" replace print // => "hello Stack"
" hello " trim print // => "hello"
// Dynamic field access (advanced)
"x" :: // Convert string to identifier
// (This would require string-to-identifier conversion, which
// may be a future feature)
// String formatting
"x=%d, y=%d" [5 10] format print // => "x=5, y=10"
"Name: %s, Age: %d" ["Alice" 30] format print // => "Name: Alice, Age: 30"
```
// Traits use identifier literals
{ (Self -- ) draw: } ::Drawable trait
#### G.4.9 Reflection Examples
// Implementations use identifier literals
::Drawable { ... } ::Rectangle impl
```
// Type checking
(Self -- ) {
dup type_of to_str "Type: " swap concat print
dup ::Addable implements
{ "Supports addition" print }
{ "Does not support addition" print }
if
dup ::Stringifiable implements
{ to_str print }
{ drop "Cannot convert to string" print }
if
} ::debug_print fn
// Identifier literals are NOT used inside trait/impl bodies
// (those are method names)
{
(Self -- ) { "Drawing" print } draw: // "draw:" is method name
} ::Drawable trait
42 debug_print
// Output:
// Type: i64
// Supports addition
// 42
// Dynamic dispatch based on traits
(Self -- ) {
dup ::Drawable implements
{ draw }
{ drop "Not drawable" print }
if
} ::try_draw fn
// Generic type information
(Self -- String) {
type_of to_str
} ::type_name fn
42 type_name print // => "i64"
"hello" type_name print // => "String"
[1 2 3] type_name print // => "Array<i64>"
```
#### G.4.10 Testing Examples
```
// Simple assertions
{ 2 3 + } { 5 == } assert
{ 5 square } { 25 == } assert
// Testing a function thoroughly
(Number -- Number) { dup * } ::square fn
// Test with multiple values
{ 0 square } { 0 == } assert
{ 1 square } { 1 == } assert
{ 5 square } { 25 == } assert
{ -3 square } { 9 == } assert
// Testing edge cases
(Number Number -- Number) { / } ::divide fn
// This will pass
{ 10 2 divide } { 5 == } assert
// This will halt (division by zero should be handled)
// { 10 0 divide } { ... } assert // Don't do this!
// Testing string operations
{ "hello" " world" concat } { "hello world" == } assert
{ "hello" length } { 5 == } assert
{ "hello" 1 3 substr } { "el" == } assert
```
#### G.4.11 Constants Example
```
// Define mathematical constants
3.1415926535 ::pi const
2.7182818284 ::e const
1.6180339887 ::phi const
// Use in calculations
(Number -- Number) {
dup * pi * // Area = r² * π
} ::circle_area fn
5 circle_area print // => ~78.54
// Physical constants
299792458 ::speed_of_light const // m/s
9.81 ::gravity const // m/s²
// Use in physics calculations
(Number -- Number) {
dup * 2 / gravity * // E = mgh where h = v²/2g
} ::kinetic_to_potential fn
10 kinetic_to_potential print // => ~490.5
```
---

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@ -10,9 +10,11 @@ This appendix provides a concise grammar reference. For complete specifications
### D.1 Lexical Grammar
**Comments**:
**Comments and Directives**:
```
line_comment ::= "//" <any characters until newline>
directive ::= "#" <implementation-specific>
shebang ::= "#!/" <path to interpreter>
```
**Identifiers**:
@ -23,15 +25,21 @@ identifier_literal ::= "::" identifier
**Integer Literals**:
```
integer ::= decimal | hexadecimal | binary
decimal ::= [0-9]+ (":" type_name)?
hexadecimal ::= "0x" [0-9a-fA-F]+
binary ::= "0b" [01]+
integer ::= decimal | hexadecimal | binary | octal
decimal ::= [0-9](_?[0-9])* (":" type_name)?
hexadecimal ::= "0x" [0-9a-fA-F](_?[0-9a-fA-F])*
binary ::= "0b" [01](_?[01])*
octal ::= "0o" [0-7](_?[0-7])*
```
**Floating Point Literals**:
```
float ::= [0-9]+ "." [0-9]+ (":" type_name)?
float ::= [0-9](_?[0-9])* "." [0-9](_?[0-9])* (":" type_name)?
```
**Character Literals**:
```
char ::= "'" (character | escape_sequence) "'"
```
**String Literals**:
@ -49,7 +57,13 @@ boolean ::= "true" | "false"
**Array Literals**:
```
array ::= "[" (expression)* "]"
array ::= "[" (expression)* (":"|type_annotation)? "]"
typed_array ::= "[" (expression)* ":" type_name "]"
```
**Constants**:
```
constant ::= literal "::" identifier "const"
```
**Token Strings**:
@ -67,7 +81,7 @@ expression ::= literal
| control_flow
| definition
literal ::= integer | float | string | boolean | array
literal ::= integer | float | string | boolean | char | array
operator ::= built_in_operator | user_defined_operator
@ -97,6 +111,7 @@ type_param ::= identifier (":" trait_constraint)?
Language constructs (fn, struct, trait, impl, enum, union, inher) are defined by operators in the `::Implementable` trait. These operators parse TokenStrings to create language-level definitions.
**High-Level Patterns**:
- Constants: `value ::name const`
- Functions: `(inputs -- outputs) { body } ::name fn`
- Structs: `(field_types --) { field_names: } ::name<type_params>? struct`
- Unions: `(variant_types --) { Variant(T) ... } ::name<type_params>? union`

1
docs/index.md
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@ -28,6 +28,7 @@ Next: Overview
- E. [Module System](./module_system.html) (Future)
- F. [Memory Management](./memory_management.html) (Future)
- G. [Examples and Tutorials](./examples_and_tutorials.html)
- H. [Complete Type Reference](./complete_type_reference.html)
**Addendum**:
- [Missing Features](./missing_features.html)

63
docs/lexical_structure.md
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@ -6,17 +6,30 @@ Next: Primitive Types
## 2. Lexical Structure
### 2.1 Comments
### 2.1 Comments and Directives
**Single-line Comments**:
```
// Single-line comment
```
### 2.2 Identifiers
**Compiler Directives**:
The language reserves the `#` character for implementation-specific compiler directives. The `#` character cannot appear in identifiers.
```
#!/usr/bin/env stack_lang
```
Directives are implementation-specific and not part of the core language specification. Implementations may support various directives for version requirements, optimization hints, or other configuration.
### 2.2 Identifiers and Constants
**Regular Identifiers**
- Start with letter or underscore: `[a-zA-Z_][a-zA-Z0-9_]*`
- Case-sensitive
- When encountered, identifiers are executed immediately
- Cannot contain `#`, whitespace, `{}`, `[]`, `()`, `.`, `'`, `"`, or `::`
**Identifier Literals**
- Prefix with `::` to push the identifier itself onto the stack instead of executing it
@ -24,6 +37,28 @@ Next: Primitive Types
- Example: `::Addable` pushes the identifier `Addable` onto the stack
- Example: `::Point` pushes the identifier `Point` onto the stack
**Constants**
Constants are compile-time values that are immutable and available throughout the scope where they are defined.
**Syntax**: `value ::name const`
**Examples**:
```
3.1415926535 ::pi const
9.81 ::gravity const
299792458 ::speed_of_light const
// Use constants like any other value
10 pi * 2 / // Calculate circumference / 2
```
**Properties**:
- Constants can be evaluated at compile time
- Constants are immutable - they cannot be reassigned
- Constants defined at module scope are accessible via `Module::CONST_NAME` (when modules are implemented)
- Constants can be any literal value or compile-time expression
> **Advanced Usage**: See [Section 11.2](./advanced_topics.html#112-identifier-literals) for complete identifier literal rules and context-dependent behavior.
### 2.3 Literals
@ -35,12 +70,27 @@ Next: Primitive Types
42:i32 // Annotate as i32
0xFF // hexadecimal
0b1010 // binary
0o755 // octal
1_000_000 // underscore separators (ignored)
```
**Overflow Behavior**: Integer arithmetic wraps on overflow. For example, adding 1 to 127, the maximum value of an `i8`, produces -128.
**Floating Point Literals**
```
3.14 // f64 (default)
3.14:f32 // Annotate as f32
1_000.5 // underscore separators allowed
```
**Overflow Behavior**: Floating point operations follow IEEE 754 semantics, producing infinity or NaN for overflow/undefined operations.
**Character Literals**
```
'A' // Single character
'\n' // Escape sequence
'\x41' // Hexadecimal (A)
'\u{1F600}' // Unicode (😀)
```
**String Literals**
@ -69,9 +119,16 @@ false
**Array Literals**
```
[1 2 3 4 5] // array of i32
[1 2 3 4 5] // array of i64
[1.0 2.0 3.0] // array of f64
[[1 2] [3 4]] // 2D array
// Typed arrays
[1 2 3 :i16] // array of i16
[[1.0 2.0] [3.0 4.0] :f32] // 2D array of f32
// Arrays of structs (when Point is defined)
[{1 2} {3 4} :Point] // array of Point structs
```
---

60
docs/memory_management.md
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@ -89,4 +89,64 @@ Cons: Less granular control, memory held until arena freed
This would provide stronger type safety but add complexity to the type checker.
**Testing Framework (Future)**:
**Current State**: Basic `assert` operator is available for inline testing.
**Future Design**: A comprehensive testing framework with dedicated operators.
**Proposed Operators**:
```
// Define a test
{ { 2 3 + } { 5 == } assert } "addition test" test
// Test for expected errors
{ 1 0 / } "division by zero test" test_error
// Test suites
{
{ 2 3 + 5 == } "addition" test
{ 5 2 - 3 == } "subtraction" test
} "arithmetic tests" test_suite
```
**Features**:
- Named tests for better reporting
- Expected error testing
- Test suites for organization
- Setup/teardown hooks
- Test discovery and running
**Documentation Comments (Future)**:
**Proposed Syntax**:
```
/// Calculates the square of a number.
/// Takes a number and returns its square.
(Number -- Number) { dup * } ::square fn
/// A point in 2D space.
/// Fields:
/// x: The x-coordinate
/// y: The y-coordinate
(T T --) { x: y: } ::Point<T> struct
```
**Features**:
- Extract documentation from source
- Generate HTML/markdown documentation
- Support for examples and tests in docs
- Cross-referencing between definitions
**Advanced Compiler Directives (Future)**:
Beyond the basic shebang, future versions may support:
```
#require "0.9.0" // Minimum language version
#optimize speed // Optimization hints
#allow unsafe // Enable unsafe operations
#deprecated "Use new_fn" // Deprecation warnings
```
---

5
docs/overview.md
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@ -53,6 +53,8 @@ This specification is organized to support both learning and reference:
**Section 11** covers advanced topics:
- Dynamic code evaluation
- Identifier literals
- Testing and assertions
- Reflection
- Standard library overview
**Appendices** provide complete references:
@ -63,6 +65,7 @@ This specification is organized to support both learning and reference:
- E: Module System (future)
- F: Memory Management (future)
- G: Examples & Tutorials
- H: Complete Type Reference
### Reading Guide
@ -72,6 +75,6 @@ This specification is organized to support both learning and reference:
**Implementers**: Read all sections, paying special attention to Sections 8-10 and Appendices B-D for complete specifications.
**Reference lookup**: Use Appendices A-C for quick reference to standard library functions, traits, and operators.
**Reference lookup**: Use Appendices A-C and H for quick reference to standard library functions, traits, operators, and types.
---

3
docs/primitive_types.md
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@ -28,12 +28,13 @@ You can explicitly annotate literal types:
```
42:i32 // 32-bit integer
3.14:f32 // 32-bit float
'A' // character
```
**Pointer Types**
Raw pointers (`ptr`) are a future feature. See [Appendix F](./memory_management.html) for the planned pointer type system.
> **Related**: See Section 8 for the complete type system, including composite types and type inference.
> **Related**: See Section 8 for the complete type system, including composite types and type inference. See [Appendix H](./complete_type_reference.html) for detailed information about all types.
---

334
docs/standard_library.md
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@ -10,18 +10,61 @@ This appendix provides a complete alphabetical reference of all standard library
### Standard Library Categories
**Array Operations**: [at](#at), [concat](#concat), [each](#each), [filter](#filter), [length](#length), [map](#map), [reduce](#reduce), [reverse](#reverse), [shape](#shape), [slice](#slice), [transpose](#transpose), [window](#window)
**Array Operations**: [at](#at), [concat](#concat), [each](#each), [enumerate](#enumerate), [filter](#filter), [foldl](#foldl), [foldr](#foldr), [length](#length), [map](#map), [mean](#mean), [reduce](#reduce), [reverse](#reverse), [shape](#shape), [slice](#slice), [sum](#sum), [transpose](#transpose), [window](#window), [zip](#zip)
**I/O Operations**: [at](#at), [concat](#concat), [each](#each), [filter](#filter)
**I/O Operations**: [input](#input), [print](#print), [read](#read), [write](#write)
**String Operations**: [length](#length), [map](#map) [reduce](#reduce), [reverse](#reverse), [shape](#shape)
**String Operations**: [concat](#concat), [ends_with](#ends_with), [find](#find), [format](#format), [join](#join), [length](#length), [replace](#replace), [split](#split), [starts_with](#starts_with), [substr](#substr), [trim](#trim)
**Type Conversion**: [slice](#slice), [to_i8, to_i16, to_i32, to_i64](#to_i8-to_i16-to_i32-to_i64), [to_u8, to_u16, to_u32, to_u64](#to_u8-to_u16-to_u32-to_u64), [to_f32, to_f64](#to_f32-to_f64), [to_str](#to_str)
**Type Conversion**: [parse](#parse), [to_f32, to_f64](#to_f32-to_f64), [to_i8, to_i16, to_i32, to_i64](#to_i8-to_i16-to_i32-to_i64), [to_str](#to_str), [to_u8, to_u16, to_u32, to_u64](#to_u8-to_u16-to_u32-to_u64)
**Utility Operations**: [transpose](#transpose), [window](#window)
**Utility Operations**: [assert](#assert), [implements](#implements), [type_of](#type_of)
### Alphabetical Reference
#### abs
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Return the absolute value of a number.
**Example**:
```
-42 abs // Returns 42
3.14 abs // Returns 3.14
```
**See Also**: [min](#min), [max](#max)
#### acos
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate arc cosine (inverse cosine) in radians.
**Example**:
```
1.0 acos // Returns 0.0
0.0 acos // Returns ~1.5708 (pi/2)
```
**See Also**: [cos](#cos), [asin](#asin), [atan](#atan)
#### asin
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate arc sine (inverse sine) in radians.
**Example**:
```
1.0 asin // Returns ~1.5708 (pi/2)
0.0 asin // Returns 0.0
```
**See Also**: [sin](#sin), [acos](#acos), [atan](#atan)
#### assert
**Signature**: `(TokenString TokenString --)`
**Description**: Evaluate expression and condition, halt if condition is false.
**Example**:
```
{ 2 3 + } { 5 == } assert
{ 5 square } { 25 == } assert
```
**See Also**: [type_of](#type_of), [implements](#implements)
#### at
**Signature**: `(Selectable<T> Size -- T)`
**Trait**: Selectable<T>
@ -32,6 +75,39 @@ This appendix provides a complete alphabetical reference of all standard library
```
**See Also**: [slice](#slice), [length](#length)
#### atan
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate arc tangent (inverse tangent) in radians.
**Example**:
```
1.0 atan // Returns ~0.7854 (pi/4)
0.0 atan // Returns 0.0
```
**See Also**: [tan](#tan), [atan2](#atan2), [asin](#asin)
#### atan2
**Signature**: `(Math Math -- Math)`
**Trait**: Math
**Description**: Calculate two-argument arc tangent of y/x in radians, using signs to determine quadrant.
**Example**:
```
1.0 1.0 atan2 // Returns ~0.7854 (pi/4)
1.0 0.0 atan2 // Returns ~1.5708 (pi/2)
```
**See Also**: [atan](#atan), [tan](#tan)
#### ceil
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Round number up to nearest integer.
**Example**:
```
3.14 ceil // Returns 4.0
-2.7 ceil // Returns -2.0
```
**See Also**: [floor](#floor), [round](#round)
#### concat
**Signature**: `(Concatenable Concatenable -- Concatenable)`
**Trait**: Concatenable
@ -43,6 +119,17 @@ This appendix provides a complete alphabetical reference of all standard library
```
**See Also**: [join](#join), [split](#split)
#### cos
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate cosine of angle in radians.
**Example**:
```
0.0 cos // Returns 1.0
3.14159 cos // Returns ~-1.0
```
**See Also**: [sin](#sin), [tan](#tan), [acos](#acos)
#### depth
**Signature**: `(-- Size)`
**Trait**: Stackable
@ -82,6 +169,26 @@ This appendix provides a complete alphabetical reference of all standard library
```
**See Also**: [map](#map), [filter](#filter)
#### ends_with
**Signature**: `(String String -- bool)`
**Trait**: String
**Description**: Check if string ends with given suffix.
**Example**:
```
"hello" "lo" ends_with // Returns true
"hello" "he" ends_with // Returns false
```
**See Also**: [starts_with](#starts_with), [find](#find)
#### enumerate
**Signature**: `(ArrayOf<T> -- ArrayOf<Pair<Size T>>)`
**Description**: Add indices to array elements.
**Example**:
```
["a" "b" "c"] enumerate // Returns [[0 "a"] [1 "b"] [2 "c"]]
```
**See Also**: [zip](#zip), [map](#map)
#### eval
**Signature**: `(TokenString --)`
**Trait**: Implementable
@ -101,6 +208,67 @@ This appendix provides a complete alphabetical reference of all standard library
```
**See Also**: [map](#map), [reduce](#reduce)
#### find
**Signature**: `(String String -- Option<Size>)`
**Trait**: String
**Description**: Find position of substring, returns Option::Some(index) or Option::None.
**Example**:
```
"hello world" "world" find // Returns Option::Some(6)
"hello world" "xyz" find // Returns Option::None
```
**See Also**: [starts_with](#starts_with), [ends_with](#ends_with)
#### floor
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Round number down to nearest integer.
**Example**:
```
3.14 floor // Returns 3.0
-2.7 floor // Returns -3.0
```
**See Also**: [ceil](#ceil), [round](#round)
#### foldl
**Signature**: `(ArrayOf<T> U TokenString -- U)`
**Description**: Left fold array with accumulator function.
**Example**:
```
[1 2 3 4] 0 { + } foldl // Returns 10
```
**See Also**: [foldr](#foldr), [reduce](#reduce)
#### foldr
**Signature**: `(ArrayOf<T> U TokenString -- U)`
**Description**: Right fold array with accumulator function.
**Example**:
```
[1 2 3 4] 0 { + } foldr // Returns 10
```
**See Also**: [foldl](#foldl), [reduce](#reduce)
#### format
**Signature**: `(String Iterable<Stringifiable> -- String)`
**Trait**: String
**Description**: Format string with values, replacing %d, %s, %f placeholders.
**Example**:
```
"x=%d, y=%d" [5 10] format // Returns "x=5, y=10"
"Hello %s" ["World"] format // Returns "Hello World"
```
**See Also**: [to_str](#to_str), [concat](#concat)
#### implements
**Signature**: `(Self Identifier -- bool)`
**Description**: Check if value's type implements a specific trait.
**Example**:
```
42 ::Addable implements // Returns true
"hello" ::String implements // Returns true
```
**See Also**: [type_of](#type_of), [assert](#assert)
#### input
**Signature**: `(String -- String)`
**Description**: Print prompt and read line from stdin.
@ -150,6 +318,37 @@ This appendix provides a complete alphabetical reference of all standard library
```
**See Also**: [filter](#filter), [reduce](#reduce), [each](#each)
#### max
**Signature**: `(Math Math -- Math)`
**Trait**: Math
**Description**: Return the maximum of two values.
**Example**:
```
3 5 max // Returns 5
-2 1 max // Returns 1
```
**See Also**: [min](#min), [abs](#abs)
#### mean
**Signature**: `(ArrayOf<Number> -- f64)`
**Description**: Calculate the average of numeric array elements.
**Example**:
```
[1 2 3 4 5] mean // Returns 3.0
```
**See Also**: [sum](#sum), [reduce](#reduce)
#### min
**Signature**: `(Math Math -- Math)`
**Trait**: Math
**Description**: Return the minimum of two values.
**Example**:
```
3 5 min // Returns 3
-2 1 min // Returns -2
```
**See Also**: [max](#max), [abs](#abs)
#### over
**Signature**: `(Self Self -- Self Self Self)`
**Trait**: Stackable
@ -190,6 +389,16 @@ This appendix provides a complete alphabetical reference of all standard library
```
**See Also**: [input](#input), [to_str](#to_str)
#### rand
**Signature**: `(-- f64)`
**Description**: Generate random f64 in range [0.0, 1.0).
**Example**:
```
rand // Returns 0.7234... (random value)
100 rand * // Random value 0.0-99.999...
```
**See Also**: [seed](#seed)
#### read
**Signature**: `(String -- String)`
**Description**: Read file contents as string.
@ -206,7 +415,17 @@ This appendix provides a complete alphabetical reference of all standard library
```
[1 2 3 4] 0 { + } reduce // Returns 10
```
**See Also**: [map](#map), [filter](#filter)
**See Also**: [map](#map), [filter](#filter), [foldl](#foldl)
#### replace
**Signature**: `(String String String -- String)`
**Trait**: String
**Description**: Replace all occurrences of substring with replacement.
**Example**:
```
"hello world" "world" "Stack" replace // Returns "hello Stack"
```
**See Also**: [split](#split), [concat](#concat)
#### reverse
**Signature**: `(ArrayOf<T> -- ArrayOf<T>)`
@ -237,6 +456,38 @@ This appendix provides a complete alphabetical reference of all standard library
```
**See Also**: [swap](#swap), [roll](#roll)
#### round
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Round number to nearest integer.
**Example**:
```
3.14 round // Returns 3.0
3.7 round // Returns 4.0
```
**See Also**: [floor](#floor), [ceil](#ceil)
#### seed
**Signature**: `(u64 --)`
**Description**: Seed the random number generator with specific value.
**Example**:
```
12345 seed // Seed RNG for deterministic results
rand // Returns deterministic value
```
**See Also**: [rand](#rand)
#### sin
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate sine of angle in radians.
**Example**:
```
0.0 sin // Returns 0.0
1.5708 sin // Returns ~1.0 (pi/2)
```
**See Also**: [cos](#cos), [tan](#tan), [asin](#asin)
#### slice
**Signature**: `(Sliceable Size Size -- Sliceable)`
**Trait**: Sliceable
@ -257,6 +508,28 @@ This appendix provides a complete alphabetical reference of all standard library
```
**See Also**: [join](#join), [substr](#substr)
#### sqrt
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate square root.
**Example**:
```
16 sqrt // Returns 4.0
2.0 sqrt // Returns ~1.414
```
**See Also**: [^](#operator-exponent)
#### starts_with
**Signature**: `(String String -- bool)`
**Trait**: String
**Description**: Check if string starts with given prefix.
**Example**:
```
"hello" "hel" starts_with // Returns true
"hello" "lo" starts_with // Returns false
```
**See Also**: [ends_with](#ends_with), [find](#find)
#### substr
**Signature**: `(String Size Size -- String)`
**Trait**: String
@ -267,6 +540,15 @@ This appendix provides a complete alphabetical reference of all standard library
```
**See Also**: [slice](#slice), [split](#split)
#### sum
**Signature**: `(ArrayOf<Number> -- Number)`
**Description**: Sum all numeric elements in array.
**Example**:
```
[1 2 3 4 5] sum // Returns 15
```
**See Also**: [mean](#mean), [reduce](#reduce)
#### swap
**Signature**: `(Self Self -- Self Self)`
**Trait**: Stackable
@ -277,6 +559,17 @@ This appendix provides a complete alphabetical reference of all standard library
```
**See Also**: [dup](#dup), [rot](#rot)
#### tan
**Signature**: `(Math -- Math)`
**Trait**: Math
**Description**: Calculate tangent of angle in radians.
**Example**:
```
0.0 tan // Returns 0.0
0.7854 tan // Returns ~1.0 (pi/4)
```
**See Also**: [sin](#sin), [cos](#cos), [atan](#atan)
#### to_f32, to_f64
**Signature**: `(Convertible -- f32/f64)`
**Trait**: Convertible
@ -326,6 +619,26 @@ This appendix provides a complete alphabetical reference of all standard library
```
**See Also**: [reverse](#reverse)
#### trim
**Signature**: `(String -- String)`
**Trait**: String
**Description**: Remove leading and trailing whitespace.
**Example**:
```
" hello " trim // Returns "hello"
```
**See Also**: [split](#split), [replace](#replace)
#### type_of
**Signature**: `(Self -- Identifier)`
**Description**: Return the type of a value as an identifier literal.
**Example**:
```
42 type_of // Returns ::i64
"hello" type_of // Returns ::String
```
**See Also**: [implements](#implements), [assert](#assert)
#### window
**Signature**: `(ArrayOf<T> Size -- ArrayOf<ArrayOf<T>>)`
**Description**: Create sliding windows of given size.
@ -344,4 +657,13 @@ This appendix provides a complete alphabetical reference of all standard library
```
**See Also**: [read](#read)
#### zip
**Signature**: `(ArrayOf<T> ArrayOf<U> -- ArrayOf<Pair<T U>>)`
**Description**: Combine two arrays element-wise into pairs.
**Example**:
```
[1 2 3] [4 5 6] zip // Returns [[1 4] [2 5] [3 6]]
```
**See Also**: [enumerate](#enumerate), [map](#map)
---

4
docs/trait_system.md
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@ -24,6 +24,7 @@ The language provides many built-in traits:
- `::Comparable`, `::Equatable` - Comparison operations
- `::Logical`, `::Bitwise` - Boolean and bit operations
- `::Sized`, `::Selectable<T>`, `::Sliceable` - Container operations
- `::Math` - Mathematical functions
- `::Number` - Composite numeric operations
- And many more...
@ -181,6 +182,7 @@ This section provides a brief overview of all standard traits. For complete defi
- `::Multiplyable` - Multiplication, division, modulo (*, /, %)
- `::Exponentiable` - Exponentiation (^)
- `::Logarithmic` - Logarithm operations (log, ln, logb)
- `::Math` - Mathematical functions (sqrt, abs, sin, cos, tan, asin, acos, atan, atan2, floor, ceil, round, min, max)
- `::Number` - Composite trait combining all arithmetic and comparison
**Comparison**:
@ -206,7 +208,7 @@ This section provides a brief overview of all standard traits. For complete defi
- `::Parseable` - Parse from string (parse)
**String Operations**:
- `::String` - String-specific operations (substr, split) - inherits from Concatenable
- `::String` - String-specific operations (substr, split, replace, trim, find, starts_with, ends_with) - inherits from Concatenable
**Utilities**:
- `::Size` - Types suitable for indexing (inherits Addable, Comparable, Convertible)

6
docs/type_system.md
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@ -51,7 +51,7 @@ The language distinguishes between types (what things are) and traits (how thing
} ::Point impl
```
> **Related**: See [Section 9](trait_system.html) for the complete trait system and [Appendix B](./complete_trait_reference.html) for all standard trait definitions.
> **Related**: See [Section 9](trait_system.html) for the complete trait system and [Appendix B](./complete_trait_reference.html) for all standard trait definitions. See [Appendix H](./complete_type_reference.html) for detailed information about all types.
### 8.2 Type Inference
@ -109,13 +109,13 @@ For operations that need variable numbers of arguments, use the `Iterable` trait
```
(-- Size) depth: // Zero arguments, returns stack depth
(String Iterable<Stringifiable> --) printf: // String plus iterable of printable values
(String Iterable<Stringifiable> --) format: // String plus iterable of printable values
(Iterable<T> -- T) sum: // Iterable of values, returns sum
```
**Examples**:
```
"x=%d, y=%d" [x y] printf // Format string with array of values
"x=%d, y=%d" [x y] format // Format string with array of values
[1 2 3 4 5] sum // Sum array of numbers
depth print // No arguments needed
```

12
manage_docs.py
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@ -25,6 +25,7 @@ filenames = [
"docs/module_system.md",
"docs/memory_management.md",
"docs/examples_and_tutorials.md",
"docs/complete_type_reference.md",
]
def remove_front_matter(content):
@ -118,17 +119,12 @@ def split_with_front_matter(input_combined, output_dir, metadata_file, force=Fal
order = meta_info.get("order", [])
frontmatters = meta_info.get("files", {})
# Split by H2s — each file should start with one or more H2 sections
# and we assume each original file started with an H2 or higher heading.
sections = re.split(r'(?=^## )', combined_text, flags=re.MULTILINE)
# Split by H1 or H2 headings — each original file should start with an H1 or H2 heading.
sections = re.split(r'(?=^(?:#{1,2})\s)', combined_text, flags=re.MULTILINE)
sections = [s.strip() for s in sections if s.strip()]
if len(sections) != len(order):
print(f"Warning: {len(sections)} sections found but {len(order)} files listed. "
f"Splitting by simple proportion instead.")
approx_size = len(combined_text) // len(order)
chunks = [combined_text[i*approx_size:(i+1)*approx_size] for i in range(len(order)-1)]
chunks.append(combined_text[(len(order)-1)*approx_size:])
raise Exception(f"{len(sections)} sections found but {len(order)} files listed.")
else:
chunks = sections

6
metadata.json
View File

@ -18,7 +18,8 @@
"grammar_summary.md",
"module_system.md",
"memory_management.md",
"examples_and_tutorials.md"
"examples_and_tutorials.md",
"complete_type_reference.md"
],
"files": {
"changes.md": "Title: Stack Language Specification\nPrev:\nNext:",
@ -39,6 +40,7 @@
"grammar_summary.md": "Title: D Grammar Summary\nPrev: Complete Operator Reference\nNext: Module System",
"module_system.md": "Title: E Module System\nPrev: Grammar Summary\nNext: Memory Management",
"memory_management.md": "Title: F Memory Management\nPrev: Module System\nNext: Examples and Tutorials",
"examples_and_tutorials.md": "Title: G Examples & Tutorials\nPrev: Memory Management\nNext:"
"examples_and_tutorials.md": "Title: G Examples & Tutorials\nPrev: Memory Management\nNext:Complete Type Reference",
"complete_type_reference.md": "Title: H Complete Type Reference\nPrev: Examples and Tutorials\nNext:"
}
}