+
Point of view
INTERNALS_HANDLER
class WHEN_LEFT_UP
ensure
-
good_hash_value: Result >= 0
is_equal (other: WHEN_LEFT_UP):
BOOLEAN
deferred function
require
ensure
- Result implies hash_code = other.hash_code
-
commutative: generating_type = other.generating_type implies Result = other.is_equal(Current)