$ rails g model User
belongs_to
has_one
| import 'dart:io'; | |
| void main() { | |
| testInputAsStream(); | |
| } | |
| // with async/await | |
| void testFutureWithAsync() async { | |
| var data = await inputAsFuture(); | |
| print('Введена строка $data'); | 
| class User { | |
| User(this.firstName, this.lastName); | |
| String firstName; | |
| String lastName; | |
| @override | |
| String toString() => '$firstName $lastName'; | |
| } | 
| import 'dart:math'; | |
| void main() { | |
| task1(); | |
| print(task2(numbers: [1, 2, 3, 4])); | |
| print(task4()); | |
| } | |
| void task1([String a = 'hello world']) => print(a.split(' ').reversed.join(' ')); | 
| import 'dart:io'; | |
| void main(List<String> arguments) { | |
| task1(); | |
| } | |
| void task1() { | |
| var month = 8; | |
| switch (month) { | 
| late int a; // task 1, global variable; must be initialized before usage | |
| void task2() { | |
| double? b; // local variable | |
| } | |
| void task3() { | |
| var text = 'some text'; | |
| // a = text; // invalid assignment, A value of type String can't be assigned to a variable of type int | |
| } |