Return true if the specified value is null, and false otherwise.

Synopsis

Declared in <bdlb_nullablevalue.h>

template<class TYPE>
constexpr
bool
operator==(
    NullableValue<TYPE> const& value,
    bsl::nullopt_t const& nullopt) noexcept;

Return Value

true if the specified value is null, and false otherwise

Parameters

Name

Description

value

nullable object to compare

nullopt

disengaged‐optional tag

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