[#bsl-map-0af-at-0a]
= xref:bsl.adoc[bsl]::xref:bsl/map-0af.adoc[map&lt;TimeInterval, Node*&gt;]::at
:relfileprefix: ../../
:mrdocs:

`at` overloads

== Synopses

Declared in `&lt;bslstl&lowbar;map&period;h&gt;`

Return a reference providing modifiable access to the mapped&hyphen;value associated with the specified `key`, if such an entry exists&semi; otherwise, throw a `std&colon;&colon;out&lowbar;of&lowbar;range` exception&period; Note that this method may also throw a different kind of exception if the (user&hyphen;supplied) comparator throws&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/add_lvalue_reference-0c/type.adoc[add&lowbar;lvalue&lowbar;reference&lt;Node*&gt;::type]
xref:bsl/map-0af/at-08.adoc[at](xref:bsl/map-0af/key_type.adoc[key&lowbar;type] const& key);
----

[.small]#xref:bsl/map-0af/at-08.adoc[_» more&period;&period;&period;_]#

Return a reference providing non&hyphen;modifiable access to the mapped&hyphen;value associated with a key that is equivalent to the specified `key`, if such an entry exists&semi; otherwise, throw a `std&colon;&colon;out&lowbar;of&lowbar;range` exception&period; Note that this method may also throw a different kind of exception if the (user&hyphen;supplied) comparator throws&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/add_lvalue_reference-0d/type.adoc[add&lowbar;lvalue&lowbar;reference&lt;Node const*&gt;::type]
xref:bsl/map-0af/at-0d.adoc[at](xref:bsl/map-0af/key_type.adoc[key&lowbar;type] const& key) const;
----

[.small]#xref:bsl/map-0af/at-0d.adoc[_» more&period;&period;&period;_]#

Return a reference providing modifiable access to the mapped&hyphen;value associated with a key that is equivalent to the specified `key`, if such an entry exists&semi; otherwise, throw a `std&colon;&colon;out&lowbar;of&lowbar;range` exception&period; Note that this method may also throw a different kind of exception if the (user&hyphen;supplied) comparator throws&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class LOOKUP&lowbar;KEY&gt;
xref:bsl/add_lvalue_reference-0c/type.adoc[add&lowbar;lvalue&lowbar;reference&lt;Node*&gt;::type]
xref:bsl/map-0af/at-0f.adoc[at](LOOKUP&lowbar;KEY const& key)
requires BloombergLP&colon;&colon;bslmf&colon;&colon;IsTransparentPredicate&lt;COMPARATOR,
                                                   LOOKUP&lowbar;KEY&gt;&colon;&colon;value;
----

[.small]#xref:bsl/map-0af/at-0f.adoc[_» more&period;&period;&period;_]#

Return a reference providing non&hyphen;modifiable access to the mapped&hyphen;value associated with a key that is equivalent to the specified `key`, if such an entry exists&semi; otherwise, throw a `std&colon;&colon;out&lowbar;of&lowbar;range` exception&period; Note that this method may also throw a different kind of exception if the (user&hyphen;supplied) comparator throws&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class LOOKUP&lowbar;KEY&gt;
xref:bsl/add_lvalue_reference-0d/type.adoc[add&lowbar;lvalue&lowbar;reference&lt;Node const*&gt;::type]
xref:bsl/map-0af/at-02.adoc[at](LOOKUP&lowbar;KEY const& key) const
requires BloombergLP&colon;&colon;bslmf&colon;&colon;IsTransparentPredicate&lt;COMPARATOR,
                                                   LOOKUP&lowbar;KEY&gt;&colon;&colon;value;
----

[.small]#xref:bsl/map-0af/at-02.adoc[_» more&period;&period;&period;_]#


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