beman::optional::optional::optional

Constructs the value from rhs if it has one.

Synopsis

Declared in <beman/optional/optional.hpp>
template<class U>
constexpr
explicit(!std::is_convertible_v<U, T>)
optional(optional<U> const& rhs)
requires (detail::enable_from_other<T, U, const U&>);

Description

Converting copy constructor.

Template Parameters

Name Description
U

Parameters

Name Description
rhs The object to copy construct from

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