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

Synopsis

Declared in <bdlb_nullableallocatedvalue.h>

template<class TYPE>
bool
operator<=(
    NullableAllocatedValue<TYPE> const& lhs,
    bsl::nullopt_t const& nullopt) noexcept;

Return Value

true if lhs is null, and false otherwise

Parameters

Name

Description

lhs

nullable value to test

nullopt

disengaged‐optional tag; value is unused

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