Set the port

Synopsis

Declared in header </boost/url/url_base.hpp#L1565[boost/url/url_base.hpp,window=blank_]>

url_base&
set_port(string_view s);

Description

This port is set to the string, which must contain only digits or be empty. An empty port string is distinct from having no port.

Example

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

Postconditions

this->has_port() == true && this->port_number() == n && this->port() == std::to_string(n)

Exception Safety

Strong guarantee. Calls to allocate may throw. Exceptions thrown on invalid input.

BNF

port          = *DIGIT

Specification

Return Value

  • ``

Parameters

Name Type

s

string_view