beman::optional::operator<

Orders a value before an optional with less‐than.

Synopsis

Declared in <beman/optional/optional.hpp>

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

Return Value

true if rhs is engaged and lhs orders before its contained value.

Parameters

Name

Description

lhs

The value operand.

rhs

The optional operand.

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