Data.Interval
data Interval r
data EndPoint r
interval
(<=..<=)
(<..<=)
(<=..<)
(<..<)
whole
empty
singleton
null
member
notMember
isSubsetOf
isProperSubsetOf
lowerBound
upperBound
lowerBound'
upperBound'
width
(<!)
(<=!)
(==!)
(>=!)
(>!)
(<?)
(<=?)
(==?)
(>=?)
(>?)
intersection
hull
pickup
simplestRationalWithin