luaL_getmetafield

luaL_getmetafield[-0, +(0|1), m]

int luaL_getmetafield (lua_State *L, int obj, const char *e);

Pushes onto the stack the field e from the metatable of the object at index obj and returns the type of pushed value. If the object does not have a metatable, or if the metatable does not have this field, pushes nothing and returns LUA_TNIL.

Links:

https://www.lua.org/manual/5.3/manual.html#luaL_getmetafield

doc_lua

2017-02-21 04:12:12

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