ES6 异步操作和Async函数(3)
时间:2021-06-24 13:06 来源:汽车之家 作者:阿虎 点击:次
| Generatorwhileawait iterator.next() async function f () { async function * gen () { yield a ; yield b ; yield c ; } return await takeAsync(gen());}f().then( function ( result ) { console .log(result); // [a。
callback);} };}; fs.readFileThunk var readFileThunk = Thunk(fs.readFile);readFileThunk(fileA)(callback); function f ( a。 ret.value); if (value isPromise(value)) return value.then(onFulfilled， cb ) { cb(a);} let ft = Thunk(f); let log = console .log.bind( console );ft( 1 )(log) // 1 Thunkify Thunkify $ npm install thunkify var thunkify = require ( thunkify ); var fs = require ( fs ); var read = thunkify(fs.readFile);read( package.json )( function ( err， function ( err。 getBar()]); // let fooPromise = getFoo(); let barPromise = getBar(); let foo = await fooPromise; let bar = await barPromise; (责任编辑：admin) |