function matchHotkey( event, hotkey ) {
	return hotkey.code === event.code
	    && hotkey.altKey === event.altKey
	    && hotkey.ctrlKey === event.ctrlKey
	    && hotkey.metaKey === event.metaKey
	    && hotkey.shiftKey === event.shiftKey;
}
@param {KeyboardEvent} event
@param {Hotkey} hotkey