[#beman-optional-make_optional-05]
= xref:beman.adoc[beman]::xref:beman/optional.adoc[optional]::make_optional
:relfileprefix: ../../
:mrdocs:

Creates an optional holding a decayed copy of the given value.

== Synopsis

Declared in `<beman/optional/optional.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    int = 0,
    class T>
constexpr
xref:beman/optional/optional-03.adoc[optional<std::decay_t<T>>]
make_optional(T&& t) noexcept(/* see-below */)
requires std::is_constructible_v<std::decay_t<T>, T>;
----

== Exception specification

This function is potentially-throwing unless `std::is_nothrow_constructible_v<optional<std::decay_t<T>>, T>`.

== Return Value

An engaged optional whose contained value is constructed from `t.`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *t*
| The value to store in the returned optional.
|===


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