[#boost-urls-segments_encoded_base-back]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/segments_encoded_base.adoc[segments&lowbar;encoded&lowbar;base]::back
:relfileprefix: ../../../
:mrdocs:

Return the last segment

== Synopsis

Declared in `&lt;https://www.github.com/boostorg/url/blob/develop/include/boost/url/segments_encoded_base.hpp#Lundefined[boost&sol;url&sol;segments&lowbar;encoded&lowbar;base&period;hpp]&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:boost/urls/pct_string_view.adoc[pct&lowbar;string&lowbar;view]
back() const noexcept;
----

== Description

This function returns a string with the last segment of the path without any leading or trailing &apos;&sol;&apos; separators&period; The returned string may contain percent escapes&period;

== Preconditions

[,cpp]
----
this->empty() == false
----
== Example

[,cpp]
----
assert( url_view( "/path/to/file.txt" ).encoded_segments().back() == "file.txt" );
----
== Preconditions

[,cpp]
----
this->empty() == false
----
== Effects

[,cpp]
----
return *--end();
----
== Complexity

Constant&period;

== Exception Safety

Throws nothing&period;

== Return Value

The last segment&period;


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