glfwSetKeyCallback(window, [this](GLFWwindow * window, int key, int scancode, int action, int mods){
    addCommand(m_events.at(key));
});

glfwSetWindowUserPointer(window, this);
glfwSetKeyCallback(window, [](GLFWwindow * window, int key, int scancode, int action, int mods){

    Window * win = static_cast<Window *>(glfwGetWindowUserPointer(window));
    win->addCommand(win->m_events.at(key));

});