url::operator= (2 of 3 overloads)

Assignment.

url&
operator=(
    url_view_base const& u);

The contents of u are copied and the previous contents of this are destroyed. Capacity is preserved, or increases.

this->buffer() == u.buffer() && this->buffer().data() != u.buffer().data()

Linear in u.size().

Strong guarantee. Calls to allocate may throw.

Type	Thrown On
`std::length_error`	`u.size() > max_size()`.

Name	Description
`u`	The url to copy.