std::experi...const::swap(3) C++ Standard Libary std::experi...const::swap(3) NAME std::experimental::propagate_const::swap - std::experimental::propa- gate_const::swap Synopsis constexpr void swap( propagate_const & pt ) (library funda- mentals TS v2) noexcept(/* see below */); Swaps the wrapped pointer with that of pt. Let t_ designate the private data member that is the wrapped pointer-like object, then this function is equiva- lent to swap(t_, pt.t_), where the overload resolution for swap is performed among std::swap and any declaration found by the usual lookup rules, as described in Swappable. The behavior is undefined if lvalues of T do not satisfy Swappable. Parameters pt - another propagate_const object to swap with Exceptions noexcept specification: noexcept(noexcept(swap(t_, pt.t_))) The lookup for the identifier swap in the exception (li- brary specification finds overloads described above, and does not find funda- mentals TS v2) the member function itself, making the exception specification equivalent to C++17 std::is_nothrow_swappable. noexcept specification: (li- brary noexcept(std::is_nothrow_swappable_v<T>) funda- mentals TS v3) Defect reports The following behavior-changing defect reports were applied retroac- tively to previously published C++ standards. DR Applied to Behavior as published Correct behavior LWG 3413 LFTSv2 the exception specification was ill-formed made well-formed Category: * conditionally noexcept http://cppreference.com 2024.06.10 std::experi...const::swap(3)
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