Section 3: library functions
std::swap(std::stack) – std::swap(std::stack) Synopsis template <class T, class Container> void swap(stack<T, Container> &lhs, (until C++ 17) stack<T, Container> &rhs); template <class T, class Container> void swap(stack<T, Container> &lhs, (since C++ 17) stack<T, Container> &rhs) noexcept(/* see below */); Specializes the std::swap algorithm for std::stack. Swaps the contents of lhs and rhs. Calls lhs.swap(rhs). This overload…
std::swap(std::shared_ptr) – std::swap(std::shared_ptr) Synopsis template <class T> (since C++ 11) void swap(shared_ptr<T> &lhs, shared_ptr<T> &rhs) noexcept; Specializes the std::swap algorithm for std::shared_ptr. Swaps the pointers of lhs and rhs. Calls lhs.swap(rhs). Parameters lhs, rhs – smart pointers whose contents to swap Return value (none) Complexity Constant See also swaps the values of two objects swap…
std::swap(std::shared_lock) – std::swap(std::shared_lock) Synopsis template <class Mutex> void swap(shared_lock<Mutex> &lhs, (since C++ 14) shared_lock<Mutex> &rhs) noexcept; Specializes the std::swap algorithm for std::shared_lock. Exchanges the state of lhs with that of rhs. Effectively calls lhs.swap(rhs). Parameters lhs, rhs – lock wrappers whose states to swap Return value (none) Example This section is incomplete Reason: no example…
std::swap(std::set) – std::swap(std::set) Synopsis template <class Key, class Compare, class Alloc> void swap(set<Key, Compare, Alloc> &lhs, (until C++ 17) set<Key, Compare, Alloc> &rhs); template <class Key, class Compare, class Alloc> void swap(set<Key, Compare, Alloc> &lhs, (since C++ 17) set<Key, Compare, Alloc> &rhs) noexcept(/* see below */); Specializes the std::swap algorithm for std::set. Swaps the contents…
std::swap(std::queue) – std::swap(std::queue) Synopsis template <class T, class Container> void swap(queue<T, Container> &lhs, (until C++ 17) queue<T, Container> &rhs); template <class T, class Container> void swap(queue<T, Container> &lhs, (since C++ 17) queue<T, Container> &rhs) noexcept(/* see below */); Specializes the std::swap algorithm for std::queue. Swaps the contents of lhs and rhs. Calls lhs.swap(rhs). This overload…
std::swap(std::promise) – std::swap(std::promise) Synopsis Defined in header<future> template <class R> (since C++ 11) void swap(promise<R> &lhs, promise<R> &rhs) noexcept; Specializes the std::swap algorithm for std::promise. Exchanges the shared state of lhs with that of rhs. Effectively calls lhs.swap(rhs). Parameters lhs, rhs – promises whose states to swap Return value (none) Example This section is incomplete…
std::swap(std::priority_queue) – std::swap(std::priority_queue) Synopsis template <class T, class Container, class Compare> void swap(priority_queue<T, Container, Compare> &lhs, (until C++ 17) priority_queue<T, Container, Compare> &rhs); template <class T, class Container, class Compare> void swap(priority_queue<T, Container, Compare> &lhs, (since C++ 17) priority_queue<T, Container, Compare> &rhs) noexcept(/* see below */); Specializes the std::swap algorithm for std::priority_queue. Swaps the contents…
std::swap(std::pair) – std::swap(std::pair) Synopsis Defined in header<utility> template <class T1, class T2> (since C++ 11) void swap(pair<T1, T2> &x, pair<T1, T2> &y) noexcept(/* see below */); (until C++ 20) template <class T1, class T2> (since C++ 20) constexpr void swap(pair<T1, T2> &x, pair<T1, T2> &y) noexcept(/* see below */); Swaps the contents of x and…
std::swap(std::packaged_task) – std::swap(std::packaged_task) Synopsis template <class Function, class… Args> void swap(packaged_task<Function(Args…)> &lhs, (since C++ 11) packaged_task<Function(Args…)> &rhs) noexcept; Specializes the std::swap algorithm for std::packaged_task. Exchanges the state of lhs with that of rhs. Effectively calls lhs.swap(rhs). Parameters lhs, rhs – packaged tasks whose states to swap Return value (none) Example This section is incomplete Reason:…
std::swap(std::optional) – std::swap(std::optional) Synopsis Defined in header<optional> template <class T> (since C++ 17) void swap(optional<T> &lhs, optional<T> &rhs) noexcept(/* see below */); Overloads the std::swap algorithm for std::optional. Exchanges the state of lhs with that of rhs. Effectively calls lhs.swap(rhs). This function template does not participate in overload resolution unless std::is_move_constructible_v<T> and std::is_swappable_v<T> are both…
std::swap(std::multiset) – std::swap(std::multiset) Synopsis template <class Key, class Compare, class Alloc> void swap(multiset<Key, Compare, Alloc> &lhs, (until C++ 17) multiset<Key, Compare, Alloc> &rhs); template <class Key, class Compare, class Alloc> void swap(multiset<Key, Compare, Alloc> &lhs, (since C++ 17) multiset<Key, Compare, Alloc> &rhs) noexcept(/* see below */); Specializes the std::swap algorithm for std::multiset. Swaps the contents…
std::swap(std::multimap) – std::swap(std::multimap) Synopsis template <class Key, class T, class Compare, class Alloc> void swap(multimap<Key, T, Compare, Alloc> &lhs, (until C++ 17) multimap<Key, T, Compare, Alloc> &rhs); template <class Key, class T, class Compare, class Alloc> void swap(multimap<Key, T, Compare, Alloc> &lhs, (since C++ 17) multimap<Key, T, Compare, Alloc> &rhs) noexcept(/* see below */); Specializes…
std::swap(std::match_results) – std::swap(std::match_results) Synopsis Defined in header<regex> template <class BidirIt, class Alloc> void swap(match_results<BidirIt, Alloc> &x1, (since C++ 11) match_results<BidirIt, Alloc> &x2) noexcept; Specializes the std::swap algorithm for std::match_results. Exchanges the contents of x1 with those of x2. Effectively calls x1.swap(x2). Parameters x1, x2 – the match_results objects whose contents will be swapped Type requirements…
std::swap(std::map) – std::swap(std::map) Synopsis template <class Key, class T, class Compare, class Alloc> void swap(map<Key, T, Compare, Alloc> &lhs, (until C++ 17) map<Key, T, Compare, Alloc> &rhs); template <class Key, class T, class Compare, class Alloc> void swap(map<Key, T, Compare, Alloc> &lhs, (since C++ 17) map<Key, T, Compare, Alloc> &rhs) noexcept(/* see below */); Specializes…
std::swap(std::list) – std::swap(std::list) Synopsis template <class T, class Alloc> void swap(list<T, Alloc> &lhs, (until C++ 17) list<T, Alloc> &rhs); template <class T, class Alloc> void swap(list<T, Alloc> &lhs, (since C++ 17) list<T, Alloc> &rhs) noexcept(/* see below */); Specializes the std::swap algorithm for std::list. Swaps the contents of lhs and rhs. Calls lhs.swap(rhs). Parameters lhs,…
std::swap(std::function) – std::swap(std::function) Synopsis template <class R, class… Args> (since C++ 11) void swap(function<R(Args…)> &lhs, function<R(Args…)> &rhs); (until C++ 17) template <class R, class… Args> (since C++ 17) void swap(function<R(Args…)> &lhs, function<R(Args…)> &rhs) noexcept; Overloads the std::swap algorithm for std::function. Exchanges the state of lhs with that of rhs. Effectively calls lhs.swap(rhs). Parameters lhs, rhs…
std::swap(std::forward_list) – std::swap(std::forward_list) Synopsis template <class T, class Alloc> (since C++ 11) void swap(forward_list<T, Alloc> &lhs, (until C++ 17) forward_list<T, Alloc> &rhs); template <class T, class Alloc> void swap(forward_list<T, Alloc> &lhs, (since C++ 17) forward_list<T, Alloc> &rhs) noexcept(/* see below */); Specializes the std::swap algorithm for std::forward_list. Swaps the contents of lhs and rhs. Calls…
std::swap(std::deque) – std::swap(std::deque) Synopsis template <class T, class Alloc> void swap(deque<T, Alloc> &lhs, (until C++ 17) deque<T, Alloc> &rhs); template <class T, class Alloc> void swap(deque<T, Alloc> &lhs, (since C++ 17) deque<T, Alloc> &rhs) noexcept(/* see below */); Specializes the std::swap algorithm for std::deque. Swaps the contents of lhs and rhs. Calls lhs.swap(rhs). Parameters lhs,…
std::swap(std::basic_syncbuf) – std::swap(std::basic_syncbuf) Synopsis template <class CharT, class Traits, class Allocator> void swap(std::basic_syncbuf<CharT, Traits, Allocator> &lhs, (since C++ 20) std::basic_syncbuf<CharT, Traits, Allocator> &rhs) noexcept; Overloads the std::swap algorithm for std::basic_syncbuf. Exchanges the state of lhs with that of rhs. Effectively calls lhs.swap(rhs). Parameters lhs, rhs – std::basic_syncbuf objects whose states to swap Return value (none)…
std::swap(std::basic_stringstream) – std::swap(std::basic_stringstream) Synopsis template <class CharT, class Traits, class Alloc> void swap(std::basic_stringstream<CharT, Traits, Alloc> &lhs, std::basic_stringstream<CharT, Traits, Alloc> &rhs); Specializes the std::swap algorithm for std::basic_stringstream. Exchanges the state of lhs with that of rhs. Effectively calls lhs.swap(rhs). Parameters lhs, rhs – streams whose state to swap Return value (none) Exceptions (none) Example This section…