[#BloombergLP-bdlc-FlatHashSet-insert-03]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/FlatHashSet.adoc[FlatHashSet]::insert
:relfileprefix: ../../../
:mrdocs:

Insert each element from the specified iterator range.

== Synopsis

Declared in `<bdlc_flathashset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class INPUT_ITERATOR>
void
insert(
    INPUT_ITERATOR first,
    INPUT_ITERATOR last);
----

== Description

Insert into this set the value of each element in the input iterator range specified by `first` through `last` (including `first`, excluding `last`). The behavior is undefined unless `first` and `last` refer to a sequence of valid values where `first` is at a position at or before `last`. Note that if a member of the input sequence is equivalent to an earlier member, the later member will not be inserted.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *first*
| beginning of the input range
| *last*
| end of the input range (exclusive)
|===


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