[#bsl-basic_string-0f3-back-0d]
= xref:bsl.adoc[bsl]::xref:bsl/basic_string-0f3.adoc[basic_string<char32_t>]::back
:relfileprefix: ../../
:mrdocs:

`back` overloads

== Synopses

Declared in `<bslstl_string.h>`

Return a reference providing modifiable access to the character at the last position in this string. The behavior is undefined if this string is empty. Note that the last position is `length() ‐ 1`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
char32_t&
xref:bsl/basic_string-0f3/back-0c.adoc[back]();
----

[.small]#xref:bsl/basic_string-0f3/back-0c.adoc[_» more..._]#

Return a reference providing non‐modifiable access to the character at the last position in this string. The behavior is undefined if this string is empty. Note that the last position is `length() ‐ 1`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
char32_t const&
xref:bsl/basic_string-0f3/back-01.adoc[back]() const;
----

[.small]#xref:bsl/basic_string-0f3/back-01.adoc[_» more..._]#


[.small]#Created with https://www.mrdocs.com[MrDocs]#