[#boost-urls-authority_view-encoded_host_and_port]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/authority_view.adoc[authority_view]::encoded_host_and_port
:relfileprefix: ../../../
:mrdocs:

Return the host and port

== Synopsis

Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/authority_view.hpp#L1321[boost/url/authority_view.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
xref:boost/urls/pct_string_view.adoc[pct_string_view]
encoded_host_and_port() const noexcept;
----

== Description

If an authority is present, this function returns the host and optional port as a string, which may be empty. Otherwise it returns an empty string. The returned string may contain percent escapes.

== Example

[,cpp]
----
assert( url_view( "http://www.example.com:8080/index.htm" ).encoded_host_and_port() == "www.example.com:8080" );
----
== Complexity

Constant.

== Exception Safety

Throws nothing.

== BNF

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

* https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.2[3.2.2. Host (rfc3986)]
* https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.3[3.2.3. Port (rfc3986)]

== Return Value

The host and port

== See Also

xref:boost/urls/authority_view/has_port.adoc[`has_port`], xref:boost/urls/authority_view/port.adoc[`port`], xref:boost/urls/authority_view/port_number.adoc[`port_number`].


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