Function interror

extlibs/lua/src/lauxlib.c:434–439

static void interror (lua_State *L, int arg) {
  if (lua_isnumber(L, arg))
    luaL_argerror(L, arg, "number has no integer representation");
  else
    tag_error(L, arg, LUA_TNUMBER);
}


LUALIB_API lua_Integer luaL_checkinteger (lua_State *L, int arg) {