std::basic_string_view<CharT,Traits>::swap - cppreference.com (original) (raw)

| constexpr void swap( basic_string_view& v ) noexcept; | | (since C++17) | | ------------------------------------------------------- | | ------------- |

Exchanges the view with that of v.

[edit] Parameters

[edit] Return value

(none)

[edit] Complexity

Constant.

[edit] Example

#include #include   int main() { std::string_view a = "AAA"; std::string_view b = "BBBB";   std::cout << "Before swap:\n" "a = " << a << "\n" "b = " << b << "\n\n";   a.swap(b);   std::cout << "After swap:\n" "a = " << a << "\n" "b = " << b << '\n'; }

Output:

Before swap: a = AAA b = BBBB   After swap: a = BBBB b = AAA

[edit] See also

| | swaps the values of two objects (function template) [edit] | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | | swaps two ranges of elements (function template) [edit] | | | swaps the contents (public member function of std::basic_string<CharT,Traits,Allocator>) [edit] |