智能化下的产物，无人棋牌室
经过 4 个 RC 版本，Lua 终于迎来了 5.3.0 正式版。新版本主要增加对整数支持，支持位操作，提供一个基本的 UTF-8 库。
下载地址：http://www.lua.org/ftp/lua-5.3.0.tar.gz
其他方面的改进包括：
语言特性
- userdata can have any Lua value as uservalue
- integer division
- more flexible rules for some metamethods
库
ipairsand the table library respect metamethods- strip option in
string.dump - table library respects metamethods
- new function
table.move - new function
string.pack - new function
string.unpack - new function
string.packsize
C API
- simpler API for continuation functions in C
lua_gettableand similar functions return type of resulted value- strip option in
lua_dump - new function:
lua_geti - new function:
lua_seti - new function:
lua_isyieldable - new function:
lua_numbertointeger - new function:
lua_rotate - new function:
lua_stringtonumber
Lua 标准解释器
- can be used as calculator; no need to prefix with ‘=’
argtable available to all code
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