blob: 7f526b76155e63e2f11110d327b794fcdfa70a3e [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 function type parameter is in the type parameter
* scope.
* @author
import "../../Utils/expect.dart";
class A {}
class B extends A {}
check<X extends A, Y extends X>(exp1, exp2) {
Expect.equals(exp1, X);
Expect.equals(exp2, Y);
main() {
check(A, A);
check<A, A>(A, A);
check<A, B>(A, B);
check<B, B>(B, B);