diff options
Diffstat (limited to 'src/corelib/tools/qhashfunctions.h')
| -rw-r--r-- | src/corelib/tools/qhashfunctions.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/corelib/tools/qhashfunctions.h b/src/corelib/tools/qhashfunctions.h index e15fbb07ac..c0109f3bbb 100644 --- a/src/corelib/tools/qhashfunctions.h +++ b/src/corelib/tools/qhashfunctions.h @@ -147,6 +147,15 @@ template <typename T1, typename T2> inline uint qHash(const QPair<T1, T2> &key, return ((h1 << 16) | (h1 >> 16)) ^ h2 ^ seed; } +template <typename T1, typename T2> inline uint qHash(const std::pair<T1, T2> &key, uint seed = 0) + Q_DECL_NOEXCEPT_EXPR(noexcept(qHash(key.first, seed)) && noexcept(qHash(key.second, seed))) +{ + QtPrivate::QHashCombine hash; + seed = hash(seed, key.first); + seed = hash(seed, key.second); + return seed; +} + QT_END_NAMESPACE #if defined(Q_CC_MSVC) |