Return whether the specified nullable value is null.
Declared in <bdlb_nullableallocatedvalue.h>
template<class TYPE>
bool
operator==(
NullableAllocatedValue<TYPE> const& lhs,
bsl::nullopt_t const& nullopt) noexcept;Return true if the specified lhs is null, and false otherwise.
true if lhs is null, and false otherwise
| Name | Description |
|---|---|
| lhs | nullable value to test |
| nullopt | disengaged-optional tag; value is unused |