:relfileprefix: ../../../
[#4A251B015BDB8B3B6A26622863076F9284328BDD]

= Function segments_base::back

pass:v,q[Return the last segment]


== Synopsis

Declared in header `</boost/url/segments_base.hpp#L272[boost/url/segments_base.hpp,window=blank_]>`

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

== Description


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

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

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

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

=== Complexity
pass:v,q[Linear in `this->back().size()`.]

=== Exception Safety
pass:v,q[Calls to allocate may throw.]



== Return Value

* `string`