beman::optional::operator==

Compares an engaged optional's value against a value for equality.

Synopsis

Declared in <beman/optional/optional.hpp>

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

Return Value

true if lhs is engaged and its contained value equals rhs.

Parameters

Name

Description

lhs

The optional operand.

rhs

The value operand.

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