de/de2/qcompare__impl_8h_source.html

// Copyright (C) 2020 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only


#ifndef QCOMPARE_IMPL_H

#define QCOMPARE_IMPL_H


#if 0

#pragma qt_sync_skip_header_check

#pragma qt_sync_stop_processing

#endif


#include <QtCore/qtconfigmacros.h>

#include <QtCore/qcompilerdetection.h>


QT_BEGIN_NAMESPACE


namespace QtPrivate {


// [cmp.categories.pre] / 3, but using a safe bool trick

// and also rejecting std::nullptr_t (unlike the example)

class CompareAgainstLiteralZero {

public:

    using SafeZero = void (CompareAgainstLiteralZero::*)();

    Q_IMPLICIT constexpr CompareAgainstLiteralZero(SafeZero) noexcept {}


    template <typename T, std::enable_if_t<std::is_null_pointer_v<T>, bool> = true>

    CompareAgainstLiteralZero(T) = delete;

};


} // namespace QtPrivate


QT_END_NAMESPACE


#endif // QCOMPARE_IMPL_H

QtPrivate::CompareAgainstLiteralZero
Definition qcompare_impl.h:21

QtPrivate::CompareAgainstLiteralZero::CompareAgainstLiteralZero
Q_IMPLICIT constexpr CompareAgainstLiteralZero(SafeZero) noexcept
Definition qcompare_impl.h:24

QtPrivate::CompareAgainstLiteralZero::SafeZero
void(CompareAgainstLiteralZero::*)() SafeZero
Definition qcompare_impl.h:23

QtPrivate::CompareAgainstLiteralZero::CompareAgainstLiteralZero
CompareAgainstLiteralZero(T)=delete

QT_BEGIN_NAMESPACE
Combined button and popup list for selecting options.
Definition qstandardpaths_haiku.cpp:21

QT_END_NAMESPACE
Definition qsharedpointer.cpp:1545

QtPrivate
\macro QT_NAMESPACE
Definition qtconcurrentcompilertest.h:13

Q_IMPLICIT
#define Q_IMPLICIT
Definition qcompilerdetection.h:1324

void
DBusConnection const char DBusError DBusBusType DBusError return DBusConnection DBusHandleMessageFunction void DBusFreeFunction return DBusConnection return DBusConnection return const char DBusError return DBusConnection DBusMessage dbus_uint32_t return DBusConnection dbus_bool_t DBusConnection DBusAddWatchFunction DBusRemoveWatchFunction DBusWatchToggledFunction void DBusFreeFunction return DBusConnection DBusDispatchStatusFunction void DBusFreeFunction DBusTimeout return DBusTimeout return DBusWatch return DBusWatch unsigned int return DBusError const DBusError return const DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessageIter int const void return DBusMessageIter DBusMessageIter return DBusMessageIter void DBusMessageIter void int return DBusMessage DBusMessageIter return DBusMessageIter return DBusMessageIter DBusMessageIter const char const char const char const char return DBusMessage return DBusMessage const char return DBusMessage dbus_bool_t return DBusMessage dbus_uint32_t return DBusMessage void
Definition qdbus_symbols_p.h:401