[#BloombergLP-bdlc-HashTable-insert-00]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/HashTable.adoc[HashTable]::insert
:relfileprefix: ../../../
:mrdocs:

Insert an element with the specified `key` into this object&period;

== Synopsis

Declared in `&lt;bdlc&lowbar;hashtable&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
insert(
    xref:BloombergLP/bdlc/HashTable/Handle.adoc[Handle]* handle,
    KEY const& key);
----

== Description

Insert an element with the specified `key` into this object&semi; load a handle to the new element into the specified `handle`&period; Return true if successful, and false otherwise&period; The behavior is undefined unless `key` does not evaluate to a &quot;null&quot; or &quot;removed&quot; bucket, as defined by the parameterized `TRAITS` (see the component&hyphen;level documentation for more details)&period; Note that this method will fail to compile unless the `VALUE` parameter is `bslmf&colon;&colon;Nil`&period;

== Return Value

`true` if the element was inserted, and `false` otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *handle*
| handle loaded with the inserted element on success
| *key*
| key of the element to insert
|===


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