diff options
Diffstat (limited to 'src/corelib/tools/qhashfunctions.h')
-rw-r--r-- | src/corelib/tools/qhashfunctions.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/corelib/tools/qhashfunctions.h b/src/corelib/tools/qhashfunctions.h index d013c26d66..1d30e71053 100644 --- a/src/corelib/tools/qhashfunctions.h +++ b/src/corelib/tools/qhashfunctions.h @@ -114,7 +114,7 @@ template <class T> inline uint qHash(const T *key, uint seed = 0) Q_DECL_NOTHROW return qHash(reinterpret_cast<quintptr>(key), seed); } template<typename T> inline uint qHash(const T &t, uint seed) - Q_DECL_NOEXCEPT_EXPR(noexcept(qHash(t))) + noexcept(noexcept(qHash(t))) { return qHash(t) ^ seed; } namespace QtPrivate { @@ -122,7 +122,7 @@ namespace QtPrivate { struct QHashCombine { typedef uint result_type; template <typename T> - Q_DECL_CONSTEXPR result_type operator()(uint seed, const T &t) const Q_DECL_NOEXCEPT_EXPR(noexcept(qHash(t))) + Q_DECL_CONSTEXPR result_type operator()(uint seed, const T &t) const noexcept(noexcept(qHash(t))) // combiner taken from N3876 / boost::hash_combine { return seed ^ (qHash(t) + 0x9e3779b9 + (seed << 6) + (seed >> 2)) ; } }; @@ -135,7 +135,7 @@ struct QHashCombineCommutative { // QHash). Therefore, provide a commutative combiner, too. typedef uint result_type; template <typename T> - Q_DECL_CONSTEXPR result_type operator()(uint seed, const T &t) const Q_DECL_NOEXCEPT_EXPR(noexcept(qHash(t))) + Q_DECL_CONSTEXPR result_type operator()(uint seed, const T &t) const noexcept(noexcept(qHash(t))) { return seed + qHash(t); } // don't use xor! }; @@ -143,20 +143,20 @@ struct QHashCombineCommutative { template <typename InputIterator> inline uint qHashRange(InputIterator first, InputIterator last, uint seed = 0) - Q_DECL_NOEXCEPT_EXPR(noexcept(qHash(*first))) // assume iterator operations don't throw + noexcept(noexcept(qHash(*first))) // assume iterator operations don't throw { return std::accumulate(first, last, seed, QtPrivate::QHashCombine()); } template <typename InputIterator> inline uint qHashRangeCommutative(InputIterator first, InputIterator last, uint seed = 0) - Q_DECL_NOEXCEPT_EXPR(noexcept(qHash(*first))) // assume iterator operations don't throw + noexcept(noexcept(qHash(*first))) // assume iterator operations don't throw { return std::accumulate(first, last, seed, QtPrivate::QHashCombineCommutative()); } template <typename T1, typename T2> inline uint qHash(const QPair<T1, T2> &key, uint seed = 0) - Q_DECL_NOEXCEPT_EXPR(noexcept(qHash(key.first, seed)) && noexcept(qHash(key.second, seed))) + noexcept(noexcept(qHash(key.first, seed)) && noexcept(qHash(key.second, seed))) { uint h1 = qHash(key.first, seed); uint h2 = qHash(key.second, seed); @@ -164,7 +164,7 @@ template <typename T1, typename T2> inline uint qHash(const QPair<T1, T2> &key, } 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))) + noexcept(noexcept(qHash(key.first, seed)) && noexcept(qHash(key.second, seed))) { QtPrivate::QHashCombine hash; seed = hash(seed, key.first); |