diff options
Diffstat (limited to 'src/corelib/tools/qhash.h')
| -rw-r--r-- | src/corelib/tools/qhash.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/corelib/tools/qhash.h b/src/corelib/tools/qhash.h index 76729917f6b..6509048da0c 100644 --- a/src/corelib/tools/qhash.h +++ b/src/corelib/tools/qhash.h @@ -23,7 +23,13 @@ QT_BEGIN_NAMESPACE struct QHashDummyValue { - bool operator==(const QHashDummyValue &) const noexcept { return true; } + explicit QHashDummyValue() = default; + friend constexpr bool operator==(QHashDummyValue, QHashDummyValue) noexcept { return true; } +#ifndef __cpp_impl_three_way_comparison + friend constexpr bool operator!=(QHashDummyValue, QHashDummyValue) noexcept { return false; } +#endif + friend constexpr size_t qHash(QHashDummyValue) noexcept = delete; + friend constexpr size_t qHash(QHashDummyValue, size_t) noexcept = delete; }; namespace QHashPrivate { |