mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-23 08:27:44 +00:00
02811b9967
* easier 'now', start adding text editor * Adding scrolling to notepad * Better scrolling * Better scrolling, off-by-1 bugs * MVP fit and finish * Add tiny font and use in Notepad * Font tweaking, tiny font cursor * Fix warning * Format changed files --------- Co-authored-by: kallanreed <kallanreed@outlook.com>
46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
/*
|
|
* Copyright (C) 2016 Jared Boone, ShareBrained Technology, Inc.
|
|
*
|
|
* This file is part of PortaPack.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __OPTIONAL_H__
|
|
#define __OPTIONAL_H__
|
|
|
|
#include <utility>
|
|
|
|
template <typename T>
|
|
class Optional {
|
|
public:
|
|
constexpr Optional()
|
|
: value_{}, valid_{false} {};
|
|
constexpr Optional(const T& value)
|
|
: value_{value}, valid_{true} {};
|
|
constexpr Optional(T&& value)
|
|
: value_{std::move(value)}, valid_{true} {};
|
|
|
|
bool is_valid() const { return valid_; };
|
|
const T& value() const { return value_; };
|
|
|
|
private:
|
|
T value_;
|
|
bool valid_;
|
|
};
|
|
|
|
#endif /*__OPTIONAL_H__*/
|