[#boost-urls-static_url-2constructor-098]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/static_url.adoc[static_url]::static_url
:relfileprefix: ../../../
:mrdocs:

Constructor

== Synopsis

Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/static_url.hpp#L165[boost/url/static_url.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static_url() noexcept;
----

== Description

Default constructed urls contain a zero‐length string. This matches the grammar for a relative‐ref with an empty path and no query or fragment.

== Example
[,cpp]
----
static_url< 1024 > u;
----
== Postconditions
[,cpp]
----
this->empty() == true
----
== Complexity
Constant&period;

== Exception Safety
Throws nothing&period;

== BNF
[,cpp]
----
relative-ref  = relative-part [ "?" query ] [ "#" fragment ]
----
== Specification
https://datatracker.ietf.org/doc/html/rfc3986#section-4.2[]


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