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

Remove all elements matching the specified transparent `key`.

== Synopsis

Declared in `<bslstl_multiset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_KEY>
xref:bsl/multiset-03/size_type.adoc[size_type]
erase(t_KEY&& key)
requires BloombergLP::bslmf::IsTransparentPredicate<COMPARATOR,
                                                   t_KEY>::value &&
        !is_convertible<BSLS_COMPILERFEATURES_FORWARD_REF(t_KEY),
                        iterator>::value &&
        !is_convertible<BSLS_COMPILERFEATURES_FORWARD_REF(t_KEY),
                        const_iterator>::value;
----


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