Dart语言支持异步/等待编程风格，还是类似？ [英] Dart language support async/await programming style, or similar?

问题描述

可以在Dart语言中编写类似的代码？

It is possible write similar code in Dart language?

int i;
try {
  i = await getResultAsync();
} catch(exception) {
  // Do something
}

推荐答案

基本支持已可用。

请参见 https://www.dartlang.org/articles/await-async/ 了解详情。

Basic support is already available.
See https://www.dartlang.org/articles/await-async/ for more details.

main() async {
  print(await foo());
  try {
    print(await fooThrows());
  } catch(e) {
    print(e);
  }
}

foo() async => 42;

fooThrows() async => throw 'Anything';

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