Parker Lougheed
b8b67c066c
Named parameters can't start with underscores whether they are optional or required. Change-Id: Iaaeab80f74a691b4981148f06412a60ca115f73e Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/337883 Auto-Submit: Parker Lougheed <parlough@gmail.com> Reviewed-by: Paul Berry <paulberry@google.com> Commit-Queue: Paul Berry <paulberry@google.com> Reviewed-by: Johnni Winther <johnniwinther@google.com>
20 lines
580 B
Dart
20 lines
580 B
Dart
// Copyright (c) 2019, 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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import "package:expect/expect.dart";
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/// It is a compile-time error if a named formal parameter begins with an '_'.
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class Foo {
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num _y;
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Foo.private({this._y = 77}) {}
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// ^^
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// [analyzer] COMPILE_TIME_ERROR.PRIVATE_OPTIONAL_PARAMETER
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// [cfe] A named parameter can't start with an underscore ('_').
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}
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main() {
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Foo.private(_y: 222);
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}
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