Return true if the specified lhs nullable wrapper is ordered before the specified rhs or lhs and rhs have the same value, and false otherwise. (See operator< and operator==.) Note that this operator returns !(rhs < lhs).
Declared in <bdlb_nullablevalueref.h>
template<
class LHS_TYPE,
class RHS_TYPE>
bool
operator<=(
NullableValueRef<LHS_TYPE> const& lhs,
RHS_TYPE const& rhs);