test_data/rules/avoid_function_literals_in_foreach_calls.dart

// Copyright (c) 2017, 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 avoid_function_literals_in_foreach_calls`

class Person {
  Iterable<Person> children = [];
}

void main() {
  Iterable<String?> people = [];

  for (var person in people) {
    // OK
    print('$person!');
  }
  people.forEach((person) // LINT
      {
    print('$person!');
  });

  people.forEach((person) => print('$person!')); // LINT

  people.forEach(print); // OK

  people
      .where((person) => person != null)
      .map((person) => person!.toUpperCase())
      .forEach((person) => print('$person!')); // OK

  people
      .where((person) => person != null)
      .map((person) => person!.toUpperCase())
      .forEach(print); // OK

  Person()
      .children
      .firstWhere((person) => person.children.isNotEmpty)
      .children
      .forEach((person) => print('$person!')); // OK

  Person().children.forEach(print); // OK

  Person()
      .children
      .first
      .children
      .forEach((person) => print('$person!')); // LINT

  Iterable<String>? nullables;
  nullables?.forEach((n) => print(n)); // OK
}