Three‐way comparison operator

Synopsis

Declared in <beman/optional/optional.hpp>

template<class T>
constexpr
std::strong_ordering
operator<=>(
    optional<T> const& x,
    nullopt_t rhs) noexcept;

Return Value

The relative order of the objects

Parameters

Name

Description

x

The left operand

rhs

The right operand

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