# class Crystal::Macros::ArrayLiteral

- Crystal::Macros::ArrayLiteral
- Crystal::Macros::ASTNode

##
Overview

An array literal.

##
Defined in:

compiler/crystal/macros.cr

##
Instance Method Summary

- #*(other : NumberLiteral) : ArrayLiteral

  Similar to `Array#*`

- #+(other : ArrayLiteral) : ArrayLiteral

  Similar to `Array#+`.

- #-(other : ArrayLiteral) : ArrayLiteral

  Similar to `Array#-`.

- #<<(value : ASTNode) : ArrayLiteral

  Similar to `Array#<<`.

- #[](start : NumberLiteral, count : NumberLiteral) : ArrayLiteral(ASTNode) | NilLiteral

  Similar to `Array#[]?(Int, Int)`.

- #[](index : NumberLiteral) : ASTNode

  Similar to `Array#[]?(Int)`.

- #[](index : RangeLiteral) : ArrayLiteral(ASTNode) | NilLiteral

  Similar to `Array#[]?(Range)`.

- #[]=(index : NumberLiteral, value : ASTNode) : ASTNode

  Similar to `Array#[]=`.

- #all?(&) : BoolLiteral

  Similar to `Enumerable#all?`

- #any?(&) : BoolLiteral

  Similar to `Enumerable#any?`

- #clear : ArrayLiteral

  Similar to `Array#clear`

- #each(&) : NilLiteral

  Similar to `Array#each`

- #each_with_index(&) : NilLiteral

  Similar to `Enumerable#each_with_index`

- #empty? : BoolLiteral

  Similar to `Array#empty?`

- #find(&) : ASTNode | NilLiteral

  Similar to `Enumerable#find`

- #first : ASTNode | NilLiteral

  Similar to `Array#first`, but returns a `NilLiteral` if the array is empty.

- #includes?(node : ASTNode) : BoolLiteral

  Similar to `Enumerable#includes?(obj)`.

- #join(separator) : StringLiteral

  Similar to `Enumerable#join`

- #last : ASTNode | NilLiteral

  Similar to `Array#last`, but returns a `NilLiteral` if the array is empty.

- #map(&) : ArrayLiteral

  Similar to `Enumerable#map`

- #map_with_index(&) : ArrayLiteral

  Similar to `Enumerable#map_with_index`

- #of : ASTNode | Nop

  Returns the type specified at the end of the array literal, if any.

- #push(value : ASTNode) : ArrayLiteral

  Similar to `Array#push`.

- #reduce(memo : ASTNode, &) : ASTNode

  Similar to `Enumerable#reduce`

- #reduce(&) : ASTNode

  Similar to `Enumerable#reduce`

- #reject(&) : ArrayLiteral

  Similar to `Enumerable#reject`

- #select(&) : ArrayLiteral

  Similar to `Enumerable#select`

- #shuffle : ArrayLiteral

  Similar to `Array#shuffle`

- #size : NumberLiteral

  Similar to `Array#size`

- #sort : ArrayLiteral

  Similar to `Array#sort`

- #sort_by(&) : ArrayLiteral

  Similar to `Array#sort_by`

- #splat(trailing_string : StringLiteral = nil) : MacroId

  Returns a `MacroId` with all of this array's elements joined by commas.

- #type : Path | Nop

  Returns the type that receives the items of the array.

- #uniq : ArrayLiteral

  Similar to `Array#uniq`

- #unshift(value : ASTNode) : ArrayLiteral

  Similar to `Array#unshift`.

### Instance methods inherited from class `Crystal::Macros::ASTNode`

!=(other : ASTNode) : BoolLiteral !=, ==(other : ASTNode) : BoolLiteral ==, class_name : StringLiteral class_name, column_number : StringLiteral | NilLiteral column_number, doc : StringLiteral doc, doc_comment : MacroId doc_comment, end_column_number : StringLiteral | NilLiteral end_column_number, end_line_number : StringLiteral | NilLiteral end_line_number, filename : StringLiteral | NilLiteral filename, id : MacroId id, is_a?(type : TypeNode) : BoolLiteral is_a?, line_number : StringLiteral | NilLiteral line_number, nil? : BoolLiteral nil?, raise(message) : NoReturn raise, stringify : StringLiteral stringify, symbolize : SymbolLiteral symbolize, warning(message : StringLiteral) : NilLiteral warning

##
Instance Method Detail

def *(other : NumberLiteral) : ArrayLiteral #

Similar to `Array#*`

def +(other : ArrayLiteral) : ArrayLiteral #

Similar to `Array#+`.

def -(other : ArrayLiteral) : ArrayLiteral #

Similar to `Array#-`.

def <<(value : ASTNode) : ArrayLiteral #

Similar to `Array#<<`.

def [](start : NumberLiteral, count : NumberLiteral) : ArrayLiteral(ASTNode) | NilLiteral #

Similar to `Array#[]?(Int, Int)`.

def [](index : NumberLiteral) : ASTNode #

Similar to `Array#[]?(Int)`.

def [](index : RangeLiteral) : ArrayLiteral(ASTNode) | NilLiteral #

Similar to `Array#[]?(Range)`.

def []=(index : NumberLiteral, value : ASTNode) : ASTNode #

Similar to `Array#[]=`.

def all?(&) : BoolLiteral #

Similar to `Enumerable#all?`

def any?(&) : BoolLiteral #

Similar to `Enumerable#any?`

def clear : ArrayLiteral #

Similar to `Array#clear`

def each(&) : NilLiteral #

Similar to `Array#each`

def each_with_index(&) : NilLiteral #

Similar to `Enumerable#each_with_index`

def empty? : BoolLiteral #

Similar to `Array#empty?`

def find(&) : ASTNode | NilLiteral #

Similar to `Enumerable#find`

def first : ASTNode | NilLiteral #

Similar to `Array#first`, but returns a `NilLiteral` if the array is empty.

def includes?(node : ASTNode) : BoolLiteral #

Similar to `Enumerable#includes?(obj)`.

def join(separator) : StringLiteral #

Similar to `Enumerable#join`

def last : ASTNode | NilLiteral #

Similar to `Array#last`, but returns a `NilLiteral` if the array is empty.

def map(&) : ArrayLiteral #

Similar to `Enumerable#map`

def map_with_index(&) : ArrayLiteral #

Similar to `Enumerable#map_with_index`

def of : ASTNode | Nop #

Returns the type specified at the end of the array literal, if any.

This refers to the part after brackets in `[] of String`.

def push(value : ASTNode) : ArrayLiteral #

Similar to `Array#push`.

def reduce(memo : ASTNode, &) : ASTNode #

Similar to `Enumerable#reduce`

def reduce(&) : ASTNode #

Similar to `Enumerable#reduce`

def reject(&) : ArrayLiteral #

Similar to `Enumerable#reject`

def select(&) : ArrayLiteral #

Similar to `Enumerable#select`

def shuffle : ArrayLiteral #

Similar to `Array#shuffle`

def size : NumberLiteral #

Similar to `Array#size`

def sort : ArrayLiteral #

Similar to `Array#sort`

def sort_by(&) : ArrayLiteral #

Similar to `Array#sort_by`

def splat(trailing_string : StringLiteral = nil) : MacroId #

Returns a `MacroId` with all of this array's elements joined by commas.

If trailing_string is given, it will be appended to the result unless this array is empty. This lets you splat an array and optionally write a trailing comma if needed.

def type : Path | Nop #

Returns the type that receives the items of the array.

This refers to the part before brackets in `MyArray{1, 2, 3}`

def uniq : ArrayLiteral #

Similar to `Array#uniq`

def unshift(value : ASTNode) : ArrayLiteral #

Similar to `Array#unshift`.