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librealsense/wrappers/nodejs/examples/realsense_viewer/public/vue (t=i.match(co))&&(n=i.match(io));)C(n[0].length),r.attrs.push(n);if(t)return r. const,super,throw,while,yield,delete,export,import,return,switch,default,extends,finally,continue 

for文の中のyieldでPromiseが解決されるまで処理が待機され、Promiseが解決されると次の処理へ進みます。 上の例ではPromiseを扱いやすくするためにcoというモジュールを利用しています。 ES6的Generator本意是为了计算而设计的迭代器，但tj觉得它可以用于流程控制，于是就有了co，co的历史可以说经历了目前所有的流程控制方案，而且由于支持Generator和yield就导致yieldable。 实际上co和Generator是把双刃剑，给了我们强大便利的同时，也增加了非常多的 ES6 generator，在最新的Nodejs版本（v0.11.x）中获得了支持，写这篇日志的时候： 当前正式的稳定版是：v0.10.30 (不支持) 最新版本：v0.11.13 (支持) ES6 generator的好处是可以替代回调函数，尤其是金字塔式的多层回调函数。 分享 【转】2020年安全稳定好用的付费V2ray梯子测评，兼容ios-电脑-安卓-mac-路由器-----解药测评 javascript - nodejs - npmjs co . Comprendre le flux de code le yield n'est pas un sucre syntaxique. C'est l'élément de base de la syntaxe des générateurs. const fetchJson = co . wrap ( function * ( url ) { try { let request = yield fetch ( url ); The code of this example is in the file generator-examples/node/readlines.js . Returns a function that can use yield to yield promises.

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function *curr() { let items = [], value do { // 如果不需要返回值，可以直接写成value = yield // 每次返回现有的数组元素 value = yield items.slice() // 当等于-1时终止 if (value !== - 1) { items.push(value) } } while (value !== - 1) // 进行求值 let sum = 0 items.forEach(item => sum = sum + item) yield sum } Coroutine Event Loops in Javascript. ECMAScript 6 introduces a yield keyword for implementing generators and coroutines.. An intriguing use of coroutines is to implement event loops as an alternative to callback functions. 把普通的函数转为thunk是为了配合co的实现（能够被yield），TJ大神写过一个库可以方便地将普通的nodejs函数转换成thunk（https://github.com/visionmedia/node-thunkify） 这里的co函数返回一个function(fn)是为了把co函数本身也变成一个thunk，这样就可以被yield了 利用co 和 yield 编写和执行异步操作, 可以完全摆脱nodejs的回调深坑， // 大幅提高代码舒适度和团队生产力. 因此,co是深受回调深坑困然的nodejs码农们的不二选择! YieldNodes es un programa de alquiler de nodos complejo y de varios niveles basado en la nueva economía basada en blockchain.

Hmmm, added this Yield node, official docs says it has a Yield_mode setting and, also a wait_time, but they don't show up, do I need to do it like before, use the ' Get ( string ) ' or, ' …

resolve (true);}). catch (onerror); co (function * {// resolve multiple promises in parallel var a = Promise. resolve (1); var b = Promise.

19 Apr 2017 This function is responsible for “yield”-ing control of its execution And there's a very popular library called co (as in coroutines) that will do it for you. If you want to support semi-modern browsers or Node

The value of yield* expression itself is the value returned by that iterator when it's closed (i.e., when done is true).

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Generators vs Fibers.

Co: a module for creating and resolving promise-generators. app.get('/user/:userId/posts', co. wrap(function * (req, res, next) { try { var user = yield db.user Learn more about co: package health score, popularity, security, Generator based control flow goodness for nodejs and the browser, using var fn = co. wrap(function* (val) { return yield Promise.resolve(val); }); fn(true).then(funct 17 Jun 2020 That's when generators enter the picture.
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2 May 2018 2: Using co, a generator-based flow-control for Node.js { slowFunction(resolve) }) co(function * () { yield fastPromise yield slowPromise }) 

node.js documentation: Coroutines (Generators) Example const promiseReturningFunction = Promise.coroutine(function* (file) { const data = yield fs.readFileAsync(file) // this returns a Promise and resolves to the file contents return data.toString().toUpperCase() }) promiseReturningFunction('file.txt').then(console.log) Promise based HTTP client for the browser and node.js. semver.