test_data/rules/unnecessary_string_interpolations.dart

// Copyright (c) 2020, 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.

// test w/ `dart test -N unnecessary_string_interpolations`

class Node {
  final String? text = '';
  @override
  String toString() => '$text'; // OK
}

String o = '';

f() {
  o = '$o'; // LINT
  o = '''$o'''; // LINT
  o = '${o}'; // LINT
  o = '${o.substring(1)}'; // LINT
  o = '${o.length}'; // OK
  o = 'a$o'; // OK
  o = '''a$o'''; // OK
  o = 'a' '$o'; // OK
}