Return whether the specified lhs is ordered before or equal to 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 or lhs and rhs have the same value, and false otherwise. (See operator< and operator==.)
true if lhs is ordered before rhs or they are equal, and false otherwise
| Name | Description |
|---|---|
| lhs | left-hand operand |
| rhs | right-hand operand |