Promise.md

Promise

Promise实现

how to use

import Promise from 'dx-lib/lib/Promise'

const p = Promise.resolve(5)

p.then()
p.catch()
p.finally()
p.isPending()
p.isFulfilled()
p.isRejected()

Promise.all()
Promise.race()
Promise.resolve()
Promise.reject()
Promise.defer()