Meorawr

#!/usr/bin/lua5.1
--- Async/Await for Lua 5.1
--  This script implements async/await functions for Lua, allowing tasks to
--  be queued and scheduled independently.
--
--  This is just an example and has a bunch of issues, isn't tested, isn't
--  even actually used anywhere; I basically just got bored and had one of
--  those "what if?" type ideas 6 hours ago.

local co_create = coroutine.create

jude90

原文 那么monad 到底是什么呢？ 它是一种设计模式。只要你有一堆函数，当它们接受一个参数而返回另一个值，就可以用以下两个函数把那些函数组合在一起。

• bind 函数将其他函数变换成 输入参数与返回值 类型相同的类型， 使它们可以组合起来。
• unit 函数将一个值包装成组合函数可以接受的模式