| // Copyright (c) 2022, 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 It is a compile-time error if a record type has any of: |
| /// |
| /// The same field name more than once. This is true even if one or both of the |
| /// colliding fields is positional. We could permit collisions with positional |
| /// field names since they are only used for documentation, but we disallow it |
| /// because it's confusing and not useful. |
| /// |
| /// Only one positional field and no trailing comma. This isn't ambiguous, since |
| /// there are no parenthesized type expressions in Dart. But prohibiting this is |
| /// symmetric with record expressions and leaves the potential for later support |
| /// for parentheses for grouping in type expressions. |
| /// |
| /// A field named hashCode, runtimeType, noSuchMethod, or toString. |
| /// |
| /// A field name that starts with an underscore. |
| /// |
| /// A field name that collides with the synthesized getter name of a positional |
| /// field. For example: (int, $1: int) since the named field '$1' collides with |
| /// the getter for the first positional field. |
| /// |
| /// @description Checks that it is a compile-time error if a record type has |
| /// a trailing comma after `recordTypeNamedFields` |
| /// @author sgrekhov22@gmail.com |
| |
| typedef R1 = (int i, {String s},); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| typedef (int, {String s},) R2(); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| typedef void R3(({String s, int i},) r); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| (int, {bool b,},) foo1() => (42, b: true); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| ({int i, bool b},) foo2() => (i: 42, b: true); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| Record bar1((int i, {int j,},) r) => r; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| Record bar2(({int i, int j},) r) => r; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| main() { |
| (int, {String s,},) r1 = (42, s: ""); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| ({double d, String s},) r2 = (d: 3.14, s: ""); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| dynamic d = (1, 2,); |
| if (d is (int i, {int j,},)) { |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| if (d is ({int i, int j},)) { |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| |
| d as (int, {int j,},); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| d as ({int, int j},); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
