KisNewOnCopy.h

Go to the documentation of this file.

/*
 *  SPDX-FileCopyrightText: 2019 Tusooa Zhu <tusooa@vista.aero>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef KIS_NEW_ON_COPY_H_
#define KIS_NEW_ON_COPY_H_
 
template<typename T>
class KisNewOnCopy
{
public:
    KisNewOnCopy() : instance() {}
    KisNewOnCopy(const KisNewOnCopy &) : instance() {}
 
    // KisNewOnCopy &operator=(const KisNewOnCopy &) { return *this; }
 
    const T *data() const { return &instance; }
    const T *constData() { return &instance; }
    T *data() { return &instance; }
    const T *operator->() const { return &instance; }
    T *operator->() { return &instance; }
 
private:
    T instance;
};
 
#endif