boost::urls::url::swap
Swap the contents.
Description
Exchanges the contents of this url with another url. All views, iterators and references remain valid.
If this == &other, this function call has no effect.
url u1( "https://www.example.com" );
url u2( "https://www.boost.org" );
u1.swap(u2);
assert(u1 == "https://www.boost.org" );
assert(u2 == "https://www.example.com" );