[#BloombergLP-bdlc-FlatHashSet-erase-05]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/FlatHashSet.adoc[FlatHashSet]::erase
:relfileprefix: ../../../
:mrdocs:

`erase` overloads

== Synopses

Declared in `<bdlc_flathashset.h>`

Remove the element at the specified `position`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlc/FlatHashSet/const_iterator.adoc[FlatHashSet<KEY, HASH, EQUAL>::const_iterator]
xref:BloombergLP/bdlc/FlatHashSet/erase-0d.adoc[erase](xref:BloombergLP/bdlc/FlatHashSet/const_iterator.adoc[const_iterator] position);
----

[.small]#xref:BloombergLP/bdlc/FlatHashSet/erase-0d.adoc[_» more..._]#

Remove the element with the specified `key`, if present.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::size_t
xref:BloombergLP/bdlc/FlatHashSet/erase-01.adoc[erase](KEY const& key);
----

[.small]#xref:BloombergLP/bdlc/FlatHashSet/erase-01.adoc[_» more..._]#

Remove the element equivalent to the specified `key`, if present.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class LOOKUP_KEY>
std::size_t
xref:BloombergLP/bdlc/FlatHashSet/erase-04.adoc[erase](LOOKUP_KEY&& key)
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, LOOKUP_KEY>::value
         && BloombergLP::bslmf::IsTransparentPredicate<EQUAL,LOOKUP_KEY>::value;
----

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

Remove the elements in the half‐open iterator range.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlc/FlatHashSet/const_iterator.adoc[FlatHashSet<KEY, HASH, EQUAL>::const_iterator]
xref:BloombergLP/bdlc/FlatHashSet/erase-0c.adoc[erase](
    xref:BloombergLP/bdlc/FlatHashSet/const_iterator.adoc[const_iterator] first,
    xref:BloombergLP/bdlc/FlatHashSet/const_iterator.adoc[const_iterator] last);
----

[.small]#xref:BloombergLP/bdlc/FlatHashSet/erase-0c.adoc[_» more..._]#

== Return Value

* iterator following the erased element
* 1 if an element was erased, and 0 otherwise
* iterator equal to `last`

== Parameters

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


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