Return whether the specified lhs is ordered before the specified rhs.
Declared in <bdlb_nullablevalue.h>
template<
class LHS_TYPE,
class RHS_TYPE>
bool
operator<(
NullableValue<LHS_TYPE> const& lhs,
RHS_TYPE const& rhs)
requires (!NullableValue_DerivedFromOptional<RHS_TYPE>) &&
requires { { *lhs < rhs } -> NullableValue_ConvertibleToBool; };
Return true if the specified lhs nullable object is ordered before the specified rhs, and false otherwise. lhs is ordered before rhs if lhs is null or lhs.value() is ordered before rhs.
true if lhs is ordered before rhs, and false otherwise
| Name | Description |
|---|---|
| lhs | left-hand operand |
| rhs | right-hand operand |