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std::basic_string_view::swap(3) | C++ Standard Libary | std::basic_string_view::swap(3) |
NAME¶
std::basic_string_view::swap - std::basic_string_view::swap
Synopsis¶
constexpr void swap( basic_string_view& v ) noexcept; (since C++17)
Exchanges the view with that of v.
Parameters¶
v - view to swap with
Return value¶
(none)
Complexity¶
Constant.
Example¶
// Run this code
#include <string_view>
#include <iostream>
int main() {
auto s1{
std::string_view{"⏺⏺⏺⏺⏺"} };
auto s2{
std::string_view{"⏹⏹⏹⏹⏹"}
};
std::cout << "Before : " << s1 << ' ' << s2
<< "\n";
s1.swap(s2);
std::cout << "After : " << s1 << ' ' << s2
<< "\n";
}
Output:¶
Before : ⏺⏺⏺⏺⏺
⏹⏹⏹⏹⏹
After : ⏹⏹⏹⏹⏹
⏺⏺⏺⏺⏺
See also¶
swap swaps the values of two objects
(function template)
swap_ranges swaps two ranges of elements
(function template)
swap swaps the contents
(public member function of
std::basic_string<CharT,Traits,Allocator>)
2022.07.31 | http://cppreference.com |