multi-await.es7

require("babel/polyfill");
var assert = require("assert");

async () => {
    let start = new Date;
    let [valuea, valueb] = await* [
        (() => new Promise(resolve => setTimeout(
            () => resolve("value a"), 2000
        )))(),
        (() => new Promise(resolve => setTimeout(
            () => resolve("value b"), 2000
        )))(),
    ];
    let end = new Date;

    assert.equal(valuea, "value a");
    assert.equal(valueb, "value b");
    assert.equal(~~((end - start) / 1000), 2);
}();