url::set_port (1 of 2 overloads)

Set the port.

url_base&
set_port(
    std::uint16_t n);

The port is set to the specified integer.

assert( url( "http://www.example.com" ).set_port( 8080 ).authority().buffer() == "www.example.com:8080" );

this->has_authority() == true && this->has_port() == true && this->port_number() == n

Linear in this->size().

Strong guarantee. Calls to allocate may throw.

Name	Description
`n`	The port number to set.

authority     = [ userinfo "@" ] host [ ":" port ]

port          = *DIGIT