class Crystal::Macros::Def
Overview
A method definition.
Defined in:
compiler/crystal/macros.crInstance Method Summary
- #accepts_block? : BoolLiteral
Returns
trueif this method can be called with a block,falseotherwise. - #annotation(type : TypeNode) : Annotation | NilLiteral
Returns the last
Annotationwith the giventypeattached to this variable orNilLiteralif there are none. - #annotations(type : TypeNode) : ArrayLiteral(Annotation)
Returns an array of annotations with the given
typeattached to this variable, or an emptyArrayLiteralif there are none. - #args : ArrayLiteral(Arg)
Returns the arguments of this method.
- #block_arg : Arg | Nop
Returns the block argument, if any.
- #body : ASTNode
Returns the body of this method.
- #double_splat : Arg | Nop
Returns the double splat argument, if any.
- #name : MacroId
Returns the name of this method.
- #receiver : ASTNode | Nop
Returns the receiver (for example
self) of this method definition, orNopif not specified. - #return_type : ASTNode | Nop
Returns the return type of the method, if specified.
- #splat_index : NumberLiteral | NilLiteral
Returns the index of the argument with a *splat, if any.
- #visibility : SymbolLiteral
Returns the visibility of this def:
:public,:protectedor:private.
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, 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 Instance Method Detail
def accepts_block? : BoolLiteralSource
Returns true if this method can be called with a block, false otherwise.
def annotation(type : TypeNode) : Annotation | NilLiteralSource
Returns the last Annotation with the given type attached to this variable or NilLiteral if there are none.
def annotations(type : TypeNode) : ArrayLiteral(Annotation)Source
Returns an array of annotations with the given type attached to this variable, or an empty ArrayLiteral if there are none.
def args : ArrayLiteral(Arg)Source
Returns the arguments of this method.
def receiver : ASTNode | NopSource
Returns the receiver (for example self) of this method definition, or Nop if not specified.
def splat_index : NumberLiteral | NilLiteralSource
Returns the index of the argument with a *splat, if any.
def visibility : SymbolLiteralSource
Returns the visibility of this def: :public, :protected or :private.
© 2012–2021 Manas Technology Solutions.
Licensed under the Apache License, Version 2.0.
https://crystal-lang.org/api/1.2.1/Crystal/Macros/Def.html