mirror of
https://github.com/dart-lang/sdk
synced 2024-09-16 00:19:48 +00:00
2658f495f2
Change-Id: Ic30aef0302e1d2a2812eeb81b414a69e7591f625 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149622 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com>
50 lines
1.1 KiB
Dart
50 lines
1.1 KiB
Dart
// Copyright (c) 2018, 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.
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
class I<X> {}
|
|
|
|
class C0<T> extends I<T> {}
|
|
class C1<T> implements I<T> {}
|
|
|
|
mixin M0<T> on I<T> {
|
|
}
|
|
|
|
mixin M1<T> on I<T> {
|
|
T Function(T) get value => (param) => param;
|
|
}
|
|
|
|
mixin M2<T> implements I<T> {}
|
|
|
|
mixin M3<T> on I<T> {}
|
|
|
|
class J<X> {}
|
|
class C2 extends C1<int> implements J<double> {}
|
|
class C3 extends J<double> {}
|
|
|
|
mixin M4<S, T> on I<S>, J<T> {
|
|
S Function(S) get value0 => (param) => param;
|
|
T Function(T) get value1 => (param) => param;
|
|
}
|
|
|
|
mixin M6<S, T extends S> on I<S> {
|
|
S Function(S) get value0 => (param) => param;
|
|
T Function(T) get value1 => (param) => param;
|
|
}
|
|
|
|
// M6 is inferred as M6<int, int>
|
|
class A31 extends C0<int> with M6 {
|
|
void check() {
|
|
// Verify that M6.S is exactly int
|
|
int Function(int) f0 = this.value0;
|
|
// Verify that M6.T is exactly int
|
|
int Function(int) f1 = this.value1;
|
|
}
|
|
}
|
|
|
|
void main() {
|
|
Expect.type<M6<int, int>>(new A31()..check());
|
|
}
|