[#absl-in_place_index_t]
= xref:absl.adoc[absl]::in_place_index_t
:relfileprefix: ../
:mrdocs:

Tag type for in‐place construction at a given index.

== Synopsis

Declared in `<absl/utility/utility.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<size_t I>
using in_place_index_t [[deprecated("Use std::in_place_index_t<I> instead.")]] = std::in_place_index_t<I>;
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]: Use std::in_place_index_t<I> instead.. Use of this entity is allowed but discouraged.
====

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