Returns Some(true) if this
is less than that
, or None if they are not comparable.
Returns Some(true) if this
is less than that
, or None if they are not comparable.
Returns Some(true) if this
is less than or equal to that
, or None if they are not
comparable.
Returns Some(true) if this
is less than or equal to that
, or None if they are not
comparable.
Returns Some(true) if this
is greater than that
, or None if they are not comparable.
Returns Some(true) if this
is greater than that
, or None if they are not comparable.
Returns Some(true) if this
is greater than or equal to that
, or None if they are not
comparable.
Returns Some(true) if this
is greater than or equal to that
, or None if they are not
comparable.
Result of comparing this
with operand that
.
Result of comparing this
with operand that
.
Implement this method to determine how instances of A will be sorted.
Returns Option(x
) where:
Some(x < 0)
when this < that
Some(x == 0)
when this == that
Some(x > 0)
when this > that
None
when this
is not comparable to that