...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Return the referenced url.
url_base& url() const;
This function returns the url referenced by the view.
url u( "?key=value" ); assert( &u.segments().url() == &u );
Throws nothing.