Function luaL_checkversion_

src/Chain/libraries/glua/lauxlib.cpp:3035–3044

LUALIB_API void luaL_checkversion_(lua_State *L, lua_Number ver, size_t sz) {
    const lua_Number *v = lua_version(L);
    if (sz != LUAL_NUMSIZES)  /* check numeric types */
        luaL_error(L, "core and library have incompatible numeric types");
    if (v != lua_version(nullptr))
        luaL_error(L, "multiple Lua VMs detected");
    else if (*v != ver)
        luaL_error(L, "version mismatch: app. needs %f, Lua core provides %f",
        ver, *v);
}