[#bsl-multiset-03-equal_range-0e]
= xref:bsl.adoc[bsl]::xref:bsl/multiset-03.adoc[multiset]::equal_range
:relfileprefix: ../../
:mrdocs:

Return a pair of iterators providing non‐modifiable access to the sequence of `value_type` objects in this multiset that are equivalent to the specified `key`, where the first iterator is positioned at the start of the sequence, and the second is positioned one past the end of the sequence. The first returned iterator will be `lower_bound(key)`; the second returned iterator will be `upper_bound(key)`; and, if this multiset contains no `value_type` objects equivalent to `key`, then the two returned iterators will have the same value.

== Synopsis

Declared in `<bslstl_multiset.h>`

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

== Description

Note: implemented inline due to Sun CC compilation error.


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