diff options
Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/wtf/HashTable.h')
| -rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/wtf/HashTable.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/HashTable.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/HashTable.h index 42a9233..8149375 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/HashTable.h +++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/HashTable.h @@ -257,19 +257,20 @@ namespace WTF { using std::swap; -#if !COMPILER(MSVC) && !OS(QNX) && !defined(_LIBCPP_VERSION) - // The Dinkumware C++ library (used by MSVC and QNX) and clang's libc++ have a swap for pairs defined. + // Work around MSVC's standard library, whose swap for pairs does not swap by component. + template<typename T> inline void hashTableSwap(T& a, T& b) + { + swap(a, b); + } - // swap pairs by component, in case of pair members that specialize swap - template<typename T, typename U> inline void swap(pair<T, U>& a, pair<T, U>& b) + template<typename T, typename U> inline void hashTableSwap(pair<T, U>& a, pair<T, U>& b) { swap(a.first, b.first); swap(a.second, b.second); } -#endif template<typename T, bool useSwap> struct Mover; - template<typename T> struct Mover<T, true> { static void move(T& from, T& to) { swap(from, to); } }; + template<typename T> struct Mover<T, true> { static void move(T& from, T& to) { hashTableSwap(from, to); } }; template<typename T> struct Mover<T, false> { static void move(T& from, T& to) { to = from; } }; template<typename Key, typename Value, typename HashFunctions> class IdentityHashTranslator { |