isSubsetOf package:intervals

isSubsetOf :: Ord a => Interval a -> Interval a -> Bool
intervals Numeric.Interval Numeric.Interval.Internal Numeric.Interval.Kaucher Numeric.Interval.NonEmpty Numeric.Interval.NonEmpty.Internal
Flipped version of contains. Check if interval X a subset of interval Y 
>>> (25 ... 35 :: Interval Double) `isSubsetOf` (20 ... 40 :: Interval Double)
True

>>> (20 ... 40 :: Interval Double) `isSubsetOf` (15 ... 35 :: Interval Double)
False