class Crystal::Macros::ProcNotation
Overview
The type of a proc or block argument, like String -> Int32
.
Defined in:
compiler/crystal/macros.crInstance Method Summary
- #inputs : ArrayLiteral(ASTNode)
Returns the argument types, or an empty list if no arguments.
- #output : ASTNode | NilLiteral
Returns the output type, or nil if there is no return type.
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 inputs : ArrayLiteral(ASTNode)Source
Returns the argument types, or an empty list if no arguments.
def output : ASTNode | NilLiteralSource
Returns the output type, or nil if there is no return type.
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Licensed under the Apache License, Version 2.0.
https://crystal-lang.org/api/1.2.1/Crystal/Macros/ProcNotation.html