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author | Marc Mutz <marc.mutz@kdab.com> | 2015-01-19 20:58:41 +0100 |
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committer | Marc Mutz <marc.mutz@kdab.com> | 2015-02-17 15:05:40 +0000 |
commit | 1649b973fd2ecd6c2398387f8bb5d0d768142336 (patch) | |
tree | 45820b59c8b0d2fdb80e53565eb4b7dc2f499b00 /src | |
parent | ddd61b4aec7d17741faffe988b44c7c0a19ce71f (diff) |
QPair: add noexcept to ctors and assignment operators
Change-Id: Id201d1f1e7a087083ca6c13ab31c721e672ef566
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src')
-rw-r--r-- | src/corelib/tools/qpair.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/corelib/tools/qpair.h b/src/corelib/tools/qpair.h index aa0a53388c..d637067fa8 100644 --- a/src/corelib/tools/qpair.h +++ b/src/corelib/tools/qpair.h @@ -45,22 +45,31 @@ struct QPair typedef T1 first_type; typedef T2 second_type; - Q_DECL_CONSTEXPR QPair() : first(), second() {} - Q_DECL_CONSTEXPR QPair(const T1 &t1, const T2 &t2) : first(t1), second(t2) {} + Q_DECL_CONSTEXPR QPair() + Q_DECL_NOEXCEPT_EXPR(noexcept(T1()) && noexcept(T2())) + : first(), second() {} + Q_DECL_CONSTEXPR QPair(const T1 &t1, const T2 &t2) + Q_DECL_NOEXCEPT_EXPR(noexcept(T1(t1)) && noexcept(T2(t2))) + : first(t1), second(t2) {} // compiler-generated copy/move ctor/assignment operators are fine! template <typename TT1, typename TT2> - Q_DECL_CONSTEXPR QPair(const QPair<TT1, TT2> &p) : first(p.first), second(p.second) {} + Q_DECL_CONSTEXPR QPair(const QPair<TT1, TT2> &p) + Q_DECL_NOEXCEPT_EXPR(noexcept(T1(p.first)) && noexcept(T2(p.second))) + : first(p.first), second(p.second) {} template <typename TT1, typename TT2> Q_DECL_RELAXED_CONSTEXPR QPair &operator=(const QPair<TT1, TT2> &p) + Q_DECL_NOEXCEPT_EXPR(noexcept(std::declval<T1&>() = p.first) && noexcept(std::declval<T2&>() = p.second)) { first = p.first; second = p.second; return *this; } #ifdef Q_COMPILER_RVALUE_REFS template <typename TT1, typename TT2> Q_DECL_CONSTEXPR QPair(QPair<TT1, TT2> &&p) // can't use std::move here as it's not constexpr in C++11: + Q_DECL_NOEXCEPT_EXPR(noexcept(T1(static_cast<TT1 &&>(p.first))) && noexcept(T2(static_cast<TT2 &&>(p.second)))) : first(static_cast<TT1 &&>(p.first)), second(static_cast<TT2 &&>(p.second)) {} template <typename TT1, typename TT2> Q_DECL_RELAXED_CONSTEXPR QPair &operator=(QPair<TT1, TT2> &&p) + Q_DECL_NOEXCEPT_EXPR(noexcept(std::declval<T1&>() = std::move(p.first)) && noexcept(std::declval<T2&>() = std::move(p.second))) { first = std::move(p.first); second = std::move(p.second); return *this; } #endif |