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author | Sérgio Martins <sergio.martins@kdab.com> | 2016-02-07 02:49:33 +0000 |
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committer | Marc Mutz <marc.mutz@kdab.com> | 2016-02-14 06:43:52 +0000 |
commit | 6139fbeb5f41843e524ec40ce5be57f0df23e922 (patch) | |
tree | aef02a79ced348171b165830d653b26fef7cc89a /src/corelib/tools/qhash.cpp | |
parent | 26dca142a75e71baad26583cd467d07e3b116e59 (diff) |
Introduce QHash::equal_range()
Similar to QMap::equal_range().
Will allow to easily fix inefficient code such as:
foreach (auto value, hash.values(key)) { ... }
[ChangeLog][QtCore][QHash] Added QHash::equal_range()
Change-Id: I6e19e25de632e897ad83d3141d9d07f0313f7200
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Diffstat (limited to 'src/corelib/tools/qhash.cpp')
-rw-r--r-- | src/corelib/tools/qhash.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/corelib/tools/qhash.cpp b/src/corelib/tools/qhash.cpp index c1a1b9715f..b49c9d683a 100644 --- a/src/corelib/tools/qhash.cpp +++ b/src/corelib/tools/qhash.cpp @@ -1803,6 +1803,19 @@ uint qHash(long double key, uint seed) Q_DECL_NOTHROW returns \c false. */ +/*! \fn QPair<iterator, iterator> QHash::equal_range(const Key &key) + \since 5.7 + + Returns a pair of iterators delimiting the range of values \c{[first, second)}, that + are stored under \a key. If the range is empty then both iterators will be equal to end(). +*/ + +/*! + \fn QPair<const_iterator, const_iterator> QHash::equal_range(const Key &key) const + \overload + \since 5.7 +*/ + /*! \typedef QHash::ConstIterator Qt-style synonym for QHash::const_iterator. |