lua 一种小型的 解释性虚拟机，可以作中间件使用，占用空间小lua是一种动态类型语言, 不用特别声明变量以及指定类型, 首次赋值即为声明. 说到此点, 我觉得动态语言的这种特点与汇编倒是蛮象的: 不管你是什么类型, 对于底层而言, 它代表的就是一内存地址, 而操作符代表的就是对这些地址及存在于这些地址里的量进行操作而已-A small explanatory lua virtual machine, can be used as middleware to use, small footprint, lua is a dynamically typed language, no special declaration of variables, and specify the type of statement is the first assignment. Having said this, I think the dynamic language features and compilation of this seems quite like this: no matter what your type, the bottom is concerned, it is a memory address of the representative, the representative of the operator is present in these addresses and the amount of these addresses in the operation only