Function lua_toboolean

third-party/lua-5.4.6/src/lapi.c:399–402

LUA_API int lua_toboolean (lua_State *L, int idx) {
  const TValue *o = index2value(L, idx);
  return !l_isfalse(o);
}


LUA_API const char *lua_tolstring (lua_State *L, int idx, size_t *len) {