class
   Crystal::Macros::HashLiteral
  
  
  Overview
A hash literal.
Defined in:
compiler/crystal/macros.crInstance Method Summary
- 
        #[](key : ASTNode) : ASTNode
        
          Similar to Hash#[]?
- 
        #[]=(key : ASTNode, value : ASTNode) : ASTNode
        
          Similar to Hash#[]=
- 
        #clear : HashLiteral
        
          Similar to Hash#clear
- 
        #double_splat(trailing_string : StringLiteral = nil) : MacroId
        
          Returns a MacroIdwith all of this hash elements joined by commas.
- 
        #each(&) : Nil
        
          Similar to Hash#each
- 
        #empty? : BoolLiteral
        
          Similar to Hash#empty?
- 
        #has_key?(key : ASTNode) : BoolLiteral
        
          Similar to Hash#has_hey?
- 
        #keys : ArrayLiteral
        
          Similar to Hash#keys
- 
        #map : ArrayLiteral
        
          Similar to Hash#map
- 
        #of_key : ASTNode | Nop
        
          Returns the type specified at the end of the Hash literal, if any. 
- 
        #of_value : ASTNode | Nop
        
          Returns the type specified at the end of the Hash literal, if any. 
- 
        #size : NumberLiteral
        
          Similar to Hash#size
- 
        #to_a : ArrayLiteral(TupleLiteral)
        
          Similar to Hash#to_a
- 
        #type : Path | Nop
        
          Returns the type that receives the items of the array. 
- 
        #values : ArrayLiteral
        
          Similar to Hash#values
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
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.
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.
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.
Returns the type that receives the items of the array.
This refers to the part before brackets in MyHash{'a' => 1, 'b' => 2}