[#BloombergLP-bdlc-FlatHashMap-equal_range-02]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/FlatHashMap.adoc[FlatHashMap]::equal_range
:relfileprefix: ../../../
:mrdocs:

`equal_range` overloads

== Synopses

Declared in `<bdlc_flathashmap.h>`

Return the iterator range of elements equal to `key`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/pair-0b.adoc[bsl::pair<FlatHashMap<KEY, VALUE, HASH, EQUAL>::iterator, FlatHashMap<KEY, VALUE, HASH, EQUAL>::iterator>]
xref:BloombergLP/bdlc/FlatHashMap/equal_range-0b.adoc[equal_range](KEY const& key);
----

[.small]#xref:BloombergLP/bdlc/FlatHashMap/equal_range-0b.adoc[_» more..._]#

Return the const iterator range of elements equal to `key`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/pair-0b.adoc[bsl::pair<FlatHashMap<KEY, VALUE, HASH, EQUAL>::const_iterator, FlatHashMap<KEY, VALUE, HASH, EQUAL>::const_iterator>]
xref:BloombergLP/bdlc/FlatHashMap/equal_range-039.adoc[equal_range](KEY const& key) const;
----

[.small]#xref:BloombergLP/bdlc/FlatHashMap/equal_range-039.adoc[_» more..._]#

Return the iterator range of elements equal to `key`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class LOOKUP_KEY>
xref:bsl/pair-0b.adoc[bsl::pair<iterator, iterator>]
xref:BloombergLP/bdlc/FlatHashMap/equal_range-04.adoc[equal_range](LOOKUP_KEY const& key)
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, LOOKUP_KEY>::value
         && BloombergLP::bslmf::IsTransparentPredicate<EQUAL,LOOKUP_KEY>::value;
----

[.small]#xref:BloombergLP/bdlc/FlatHashMap/equal_range-04.adoc[_» more..._]#

Return the const iterator range of elements equal to `key`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class LOOKUP_KEY>
xref:bsl/pair-0b.adoc[bsl::pair<const_iterator, const_iterator>]
xref:BloombergLP/bdlc/FlatHashMap/equal_range-030.adoc[equal_range](LOOKUP_KEY const& key) const
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, LOOKUP_KEY>::value
         && BloombergLP::bslmf::IsTransparentPredicate<EQUAL,LOOKUP_KEY>::value;
----

[.small]#xref:BloombergLP/bdlc/FlatHashMap/equal_range-030.adoc[_» more..._]#

== Return Value

* pair of iterators delimiting the equal range
* pair of const iterators delimiting the equal range

== Parameters

[cols="1,4"]
|===
| Name| Description
| *key*
| key to find
|===


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