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<=(
LHS_TYPE const& lhs,
NullableValue<RHS_TYPE> const& rhs)
requires (!NullableValue_DerivedFromOptional<LHS_TYPE>) &&
requires { { lhs <= *rhs } -> NullableValue_ConvertibleToBool; };Return true if the specified lhs is ordered before the specified rhs nullable object 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 |