At 2012年07月16日 18:12:46,"Patrick Rapin" <toupie300@gmail.com> wro
te:
>> GetValue's C code:
>> static int GetValue_Factory(lua_State *L)
>> {
>> lua_pushcclosure(L, GetValue, 2);
>> return 1;
>> }
>>
>> static int GetValue(lua_State *L)
>> {
>> lua_pushvalue(L, lua_upvalueindex(1));
>> lua_gettable(L, lua_upvalueindex(2));
>> return 1;
>> }
>
>I am a bit puzzled with that piece of code.
>The GetValue function takes no argument from Lua stack, but takes two
>constant arguments from its upvalues.
>When you wrote "GetValue( 0, table )" or "GetValue( '0', table )", did
>you actually call the GetValue_Factory C function ?
>If yes, you have to call the resulting function value: "GetValue ( 0,
>table ) ( ) ".
>If no, the arguments would be just ignored.
>Could you explain a little bit more the situation ?
>