luaL_optnumber
[-0, +0, v]
lua_Number luaL_optnumber (lua_State *L, int arg, lua_Number d);
If the function argument arg
is a number, returns this number. If this argument is absent or is nil, returns d
. Otherwise, raises an error.
luaL_optnumber
[-0, +0, v]
lua_Number luaL_optnumber (lua_State *L, int arg, lua_Number d);
If the function argument arg
is a number, returns this number. If this argument is absent or is nil, returns d
. Otherwise, raises an error.
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