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luaL_argcheck

luaL_argcheck[-0, +0, v]

void luaL_argcheck (lua_State *L,
                    int cond,
                    int arg,
                    const char *extramsg);

Checks whether cond is true. If it is not, raises an error with a standard message (see luaL_argerror).

Links:

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

doc_lua

2017-02-21 04:11:53

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