[#BloombergLP-bdlc-FlatHashMap-erase-04b]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/FlatHashMap.adoc[FlatHashMap]::erase
:relfileprefix: ../../../
:mrdocs:

`erase` overloads

== Synopses

Declared in `<bdlc_flathashmap.h>`

Erase the element at the specified `position`.


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

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

Erase the element at the specified `position`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlc/FlatHashMap/iterator.adoc[FlatHashMap<KEY, VALUE, HASH, EQUAL>::iterator]
xref:BloombergLP/bdlc/FlatHashMap/erase-040.adoc[erase](xref:BloombergLP/bdlc/FlatHashMap/iterator.adoc[iterator] position);
----

[.small]#xref:BloombergLP/bdlc/FlatHashMap/erase-040.adoc[_» more..._]#

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


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::size_t
xref:BloombergLP/bdlc/FlatHashMap/erase-0d.adoc[erase](KEY const& key);
----

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

Erase 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/FlatHashMap/erase-0b.adoc[erase](LOOKUP_KEY&& key)
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, LOOKUP_KEY>::value
         && BloombergLP::bslmf::IsTransparentPredicate<EQUAL,LOOKUP_KEY>::value;
----

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

Erase the elements in the half‐open range `[first, last)]`.


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

[.small]#xref:BloombergLP/bdlc/FlatHashMap/erase-0f.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 erase
| *key*
| key of the element to erase
| *first*
| beginning of the erase range
| *last*
| end of the erase range (exclusive)
|===


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