mrdocs::operator!=

Inequality operators

Synopses

Declared in <mrdocs/ADT/Optional.hpp>

Compares two Optional values for inequality. Returns true if their engagement states differ or their contained values are not equal.

template<
    typename T,
    typename U>
constexpr
/* implementation-defined */
operator!=(
    Optional<T> const& lhs,
    Optional<U> const& rhs);

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Compares an Optional to a value for inequality. Returns true if the Optional is disengaged or its value does not equal rhs.

template<
    typename T,
    typename U>
requires (!detail::isOptionalV<U>)
constexpr
/* implementation-defined */
operator!=(
    Optional<T> const& lhs,
    U const& rhs);

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Compares a value to an Optional for inequality. Returns true if the Optional is disengaged or its value does not equal lhs.

template<
    typename T,
    typename U>
requires (!detail::isOptionalV<T>)
constexpr
/* implementation-defined */
operator!=(
    T const& lhs,
    Optional<U> const& rhs);

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Return Value

true if the optionals differ in engagement or value; otherwise, false.
true if the optional is disengaged or not equal to rhs; otherwise, false.
true if the optional is disengaged or not equal to lhs; otherwise, false.

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