[#bsl-make_optional-00]
= xref:bsl.adoc[bsl]::make_optional
:relfileprefix: ../
:mrdocs:

Return an `optional` object containing a `TYPE` object created by invoking a `bsl::optional` `in_place_t` constructor with the specified `arg` and `args` as the constructor arguments. If `t_TYPE` uses an allocator, the default allocator will be used for the `optional` object. This function can be called in constant expressions only if `t_TYPE` is not allocator‐aware.

== Synopsis

Declared in `<bslstl_optional.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class t_TYPE,
    class t_ARG,
    class... t_ARGS>
constexpr
xref:bsl/optional-072.adoc[optional<t_TYPE>]
make_optional(
    t_ARG&& arg,
    t_ARGS&&... args);
----


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