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

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class T>
constexpr
void
swap(
    xref:beman/optional/optional-03.adoc[optional<T>]& x,
    xref:beman/optional/optional-03.adoc[optional<T>]& y) noexcept(noexcept(lhs.swap(rhs)))
requires std::is_move_constructible_v<T> && std::is_swappable_v<T>;
----


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