gistfile1.cpp

template<typename F, typename... Args>
auto gl(F f, Args&&... args) -> decltype(f(std::forward<Args>(args)...)) {
    BOOST_SCOPE_EXIT() {
        auto error = glGetError();
        if (error != GL_NO_ERROR) {
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
            auto errstr = reinterpret_cast<char const*>(gluErrorString(error));
#pragma GCC diagnostic pop
            throw std::runtime_error(errstr);
        }
    };
    return f(std::forward<Args>(args)...);
}