[#absl-linked_hash_map-try_emplace-06]
= xref:absl.adoc[absl]::xref:absl/linked_hash_map.adoc[linked_hash_map]::try_emplace
:relfileprefix: ../../
:mrdocs:

Constructs an element in place if the key is not already present.

== Synopsis

Declared in `<absl/container/linked_hash_map.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class K = xref:absl/linked_hash_map/key_type.adoc[key_type],
    typename... Args>
std::pair<iterator, bool>
try_emplace(
    xref:absl/linked_hash_map.adoc[key_arg<K>] const& key,
    Args&&... args);
----

== Return Value

A pair of an iterator to the element and a bool that is `true` if insertion took place.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *key*
| The key to insert or look up.
| *args*
| The arguments used to construct the mapped value.
|===


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