blob: 46b528e414f0bddbbab78b905e2c1b2d699d27bb [file] [log] [blame]
* Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
* for details. All rights reserved. Use of this source code is governed by a
* BSD-style license that can be found in the LICENSE file.
* @assertion
* typeParameter ::= metadata identifier (extends typeNotVoid)?
* typeParameters ::= ‘<’ typeParameter (‘,’ typeParameter)* ‘>’
* ...
* Type parameters are declared in the type parameter scope of a class or
* function. The type parameters of a generic [G] are in scope in the bounds of
* all of the type parameters of [G].
* @description Checks that typedef type parameter is in the type parameter
* scope.
* @author
import "../../Utils/expect.dart";
class A {}
typedef Test<X1 extends A, X2 extends X1> = X1 Function(X2);
typedef Expected1 = A Function(Never);
typedef Expected2 = A Function(A);
main() {
Expect.equals(Expected1, Test);
Expect.notEquals(Expected2, Test);