不幸的是ffi只在有jit模式的时候才能有很好的运行速度,现在做手游基本都要做ios,而ios下由于只能运行解释模式,ffi的性能很差(比纯table反而更慢),仅仅内存优势得到保留,所以如果要考虑ios这样的平台,这个优化点基本可以忽略,或者只在安卓下针对少数核心代码进行优化。 3.Call C functions only via the FFI. 尽可能...
/* functions defined inside the function */ int *lineinfo; /* map from opcodes to source lines (debug information) */ LocVar *locvars; /* information about local variables (debug information) */ Upvaldesc *upvalues; /* upvalue information */ struct LClosure *cache; /* last-created clo...
*/typedef union Value{struct GCObject*gc;/* collectable objects */void*p;/* light userdata */lua_CFunction f;/* light C functions */lua_Integer i;/* integer numbers */lua_Number n;/* float numbers */}Value;/* ** Tagged Values. This is the basic representation of values in Lua: ...
0 params, 3 slots, 1 upvalue, 1 local, 1 constant, 0 functions 1 [2] LOADI 0 1 2 [3] GETTABUP 1 0 0 ; _ENV "print" 3 [3] MOVE 2 0 4 [3] CALL 1 2 1 ; 1 in 0 out 5 [4] RETURN0 constants (1) for 0x7fcf0ee00780: 0 S "print"locals (1) for 0x7fcf0ee0...
a=1 b="abc" c={} d=print c={"a","b","c"} print(type(a)) print(type(b)) print(type(c)) print(type(d)) -- 多行注释 [[ --- Output --- number string table function ]] a="single 'quoted' string and double \"quoted\" string inside" b='single \...
6.==比较tables,userdata,functions时,比较他们的引用,引用不一致,就算内容一样也是false 7.a and b:若a为false返回a,否则返回b。a or b:若a为true返回a,否则返回b。not的结果一直返回true或者false. 此规则可用于当x为false或nil时赋初值:x = x or v ...
Can only update global functions. [2] lua_hotupdate https://github.com/asqbtcupid/lua_hotupdate Lua 5.1. Using a fakeENV, the module's init statements result in noop. Releases1 v0.1Latest May 20, 2018 Packages No packages published ...
aMultiTable={}fori=0,9doaMultiTable[i]={}forj=0,9doaMultiTable[i][j]=tostring(i)..tostring(j)endprint()endio.write("Table[0][0] : ",aMultiTable[0][0],"\n") functions 函数是进行语言抽象化必备的工具,所以在lua语言中,直接使用function来定义对应的函数就可以了: ...
debugger.lua: LoadedforLua 5.4breakvia dbg() => test.lua:8inlocal'main'debugger.lua> 这样就进入了调试界面。输入"h"命令即可查看所有的操作: debugger.lua> h <return> => re-run lastcommandc(ontinue) =>continueexecution s(tep) => step forward by one line (intofunctions) ...
Functions in table returned byrequire("pgmoon"): new(options={}) Creates a newPostgresobject from a configuration object. All fields are optional unless otherwise stated. The newly created object will not automatically connect, you must callconectafter creating the object. ...