[#bsl-unordered_multiset-06c-erase-03]
= xref:bsl.adoc[bsl]::xref:bsl/unordered_multiset-06c.adoc[unordered_multiset]::erase
:relfileprefix: ../../
:mrdocs:

`erase` overloads

== Synopses

Declared in `<bslstl_unorderedmultiset.h>`

Erase the element at `position` and return the following iterator.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unordered_multiset-06c/iterator.adoc[unordered_multiset<KEY, HASH, EQUAL, ALLOCATOR>::iterator]
xref:bsl/unordered_multiset-06c/erase-0c.adoc[erase](xref:bsl/unordered_multiset-06c/const_iterator.adoc[const_iterator] position);
----

[.small]#xref:bsl/unordered_multiset-06c/erase-0c.adoc[_» more..._]#

Erase all elements equivalent to `key` and return the count erased.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unordered_multiset-06c/size_type.adoc[unordered_multiset<KEY, HASH, EQUAL, ALLOCATOR>::size_type]
xref:bsl/unordered_multiset-06c/erase-0f.adoc[erase](xref:bsl/unordered_multiset-06c/key_type.adoc[key_type] const& key);
----

[.small]#xref:bsl/unordered_multiset-06c/erase-0f.adoc[_» more..._]#

Same as the preceding overload, using a transparent key type.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_KEY>
xref:bsl/unordered_multiset-06c/size_type.adoc[size_type]
xref:bsl/unordered_multiset-06c/erase-01.adoc[erase](t_KEY&& key)
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, t_KEY>::value &&
        BloombergLP::bslmf::IsTransparentPredicate<EQUAL,t_KEY>::value &&
        !is_convertible<BSLS_COMPILERFEATURES_FORWARD_REF(t_KEY),
                        iterator>::value &&
        !is_convertible<BSLS_COMPILERFEATURES_FORWARD_REF(t_KEY),
                        const_iterator>::value;
----

[.small]#xref:bsl/unordered_multiset-06c/erase-01.adoc[_» more..._]#

Erase the half‐open range `[first, last)]` and return `last`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unordered_multiset-06c/iterator.adoc[unordered_multiset<KEY, HASH, EQUAL, ALLOCATOR>::iterator]
xref:bsl/unordered_multiset-06c/erase-02.adoc[erase](
    xref:bsl/unordered_multiset-06c/const_iterator.adoc[const_iterator] first,
    xref:bsl/unordered_multiset-06c/const_iterator.adoc[const_iterator] last);
----

[.small]#xref:bsl/unordered_multiset-06c/erase-02.adoc[_» more..._]#

== Return Value

* iterator following the erased element
* number of elements erased
* `last`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *position*
| iterator to the element to erase
| *key*
| key value of elements to erase
| *first*
| beginning of the erase range
| *last*
| end of the erase range (one past last)
|===


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