Robert Nystrom
fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
39 lines
790 B
Dart
39 lines
790 B
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Checks that an overriding method has compatible parameters.
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abstract class I {
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m({a, b});
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}
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abstract class J extends I {}
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abstract class K extends J {
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m({c, d}); // //# 00: compile-time error
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}
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class C implements I {
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m({a, b}) {
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print("$a $b");
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}
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}
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class D
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extends C // //# 01: compile-time error
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implements I // //# 02: compile-time error
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implements J // //# 03: compile-time error
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{
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m({c, d}) {
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print("$c $d");
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}
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}
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int main() {
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var c = new C();
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c.m(a: "hello", b: "world");
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var d = new D();
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d.m(c: "hello", d: "world");
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}
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