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[#E55E6E3A146CCB4D0EF9348402421BEEE1683765]

= Function url_view_base::has_port

pass:v,q[Return true if a port is present]


== Synopsis

Declared in header `</boost/url/url_view_base.hpp#L1491[boost/url/url_view_base.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
bool
has_port() const noexcept;
----

== Description

pass:v,q[This function returns true if an] pass:v,q[authority is present and contains a port.]

=== Example
[,cpp]
----
assert( url_view( "wss://www.example.com:443" ).has_port() );
----

=== Complexity
pass:v,q[Constant.]

=== Exception Safety
pass:v,q[Throws nothing.]

=== BNF
[,cpp]
----
authority   = [ userinfo "@" ] host [ ":" port ]

port        = *DIGIT
----

=== Specification

* link:https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.3[3.2.3. Port (rfc3986)]



== Return Value

* `bool`