class Crystal::Macros::Generic
inherits Crystal::Macros::ASTNode

A generic instantiation, like Foo(T) or Foo::Bar::Baz(T)

Methods

#name : Path

Returns the path to the generic.

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#named_args : NamedTupleLiteral | NilLiteral

Returns the named arguments of this instantiation, if any.

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#resolve : ASTNode

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

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#resolve? : ASTNode | NilLiteral

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

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#type_vars : ArrayLiteral(ASTNode)

Returns the arguments (the type variables) of this instantiation.

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#types : ArrayLiteral(ASTNode)

Returns this generic inside an array literal. This method exists so you can call types on the type of a type declaration and get all types, whether it's a Generic, Path or Union.

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