class Crystal::Macros::ProcNotation

Overview

The type of a proc or block argument, like String -> Int32.

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 inputs : ArrayLiteral(ASTNode) #

Returns the argument types, or an empty list if no arguments.


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def output : ASTNode | NilLiteral #

Returns the output type, or nil if there is no return type.


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def resolve : ASTNode #

Resolves this proc notation to a TypeNode if it denotes a type, or otherwise gives a compile-time error.


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def resolve? : ASTNode | NilLiteral #

Resolves this proc notation to a TypeNode if it denotes a type, or otherwise returns a NilLiteral.


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