beman::optional::operator<

Synopsis

Declared in <beman/optional/optional.hpp>

template<
    typename T,
    typename U>
constexpr
bool
operator<(
    optional<T> const& lhs,
    optional<U> const& rhs)
requires detail::optional_lt_rel<T, U>;

Return Value

true if lhs orders before rhs; a disengaged optional orders before any engaged one.

Parameters

Name	Description
lhs	The left-hand optional.
rhs	The right-hand optional.