[#beman-optional-make_optional-0f]
= xref:beman.adoc[beman]::xref:beman/optional.adoc[optional]::make_optional
:relfileprefix: ../../
:mrdocs:

Creates an optional<T> constructing the value in‐place from an initializer list and arguments.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename T,
    typename U,
    typename... Args>
constexpr
xref:beman/optional/optional-03.adoc[optional<T>]
make_optional(
    std::initializer_list<U> il,
    Args&&... args) noexcept(/* see-below */)
requires std::is_constructible_v<T, std::initializer_list<U>&, Args...>;
----

== Exception specification

This function is potentially-throwing unless `std::is_nothrow_constructible_v<T, std::initializer_list<U> &, Args...>`.

== Return Value

An engaged optional<T> holding the in‐place constructed value.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *il*
| The initializer list forwarded to the constructor of `T.`
| *args*
| The additional arguments forwarded to the constructor of `T.`
|===


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