class Crystal::Macros::HashLiteral

Overview

A hash literal.

Defined in:

compiler/crystal/macros.cr

Instance Method Summary

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 [](key : ASTNode) : ASTNode #

Similar to Hash#[]?


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def []=(key : ASTNode, value : ASTNode) : ASTNode #

Similar to Hash#[]=


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def clear : HashLiteral #

Similar to Hash#clear


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

Returns a MacroId with all of this hash elements joined by commas.

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


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def each(&) : Nil #

Similar to Hash#each


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def empty? : BoolLiteral #

Similar to Hash#empty?


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def has_key?(key : ASTNode) : BoolLiteral #

Similar to Hash#has_hey?


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def keys : ArrayLiteral #

Similar to Hash#keys


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def map : ArrayLiteral #

Similar to Hash#map


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def of_key : ASTNode | Nop #

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

This refers to the key type after brackets in {} of String => Int32.


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def of_value : ASTNode | Nop #

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

This refers to the value type after brackets in {} of String => Int32.


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def size : NumberLiteral #

Similar to Hash#size


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def to_a : ArrayLiteral(TupleLiteral) #

Similar to Hash#to_a


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def type : Path | Nop #

Returns the type that receives the items of the array.

This refers to the part before brackets in MyHash{'a' => 1, 'b' => 2}


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def values : ArrayLiteral #

Similar to Hash#values


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