[#BloombergLP-bslstl-HashTable-06-tryEmplace-00]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/HashTable-06.adoc[HashTable]::tryEmplace
:relfileprefix: ../../../
:mrdocs:

If a key equivalent to the specified `key` already exists in this hash‐table, load `false` into the specified `isInsertedFlag` and return a pointer to the existing entry. Otherwise, insert into this hash‐table a newly‐created `value_type` object, constructed from `key` and the specified `args`, load `true` into `isInsertedFlag` and return a pointer to the newly created entry. Use the optionally specified `hint` as a starting place for the search for the existing key.

== Synopsis

Declared in `<bslstl_hashtable.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class... ARGS>
xref:BloombergLP/bslalg/BidirectionalLink.adoc[bslalg::BidirectionalLink]*
tryEmplace(
    bool* isInsertedFlag,
    xref:BloombergLP/bslalg/BidirectionalLink.adoc[bslalg::BidirectionalLink]* hint,
    xref:BloombergLP/bslstl/HashTable-06/KeyType.adoc[KeyType] const& key,
    ARGS&&... args);
----


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