fay-base-0.19.4: The base package for Fay.

Safe HaskellNone

Data.Ord

Description

Orderings

Synopsis

Documentation

comparing :: Ord a => (b -> a) -> b -> b -> OrderingSource

 comparing p x y = compare (p x) (p y)

Useful combinator for use in conjunction with the xxxBy family of functions from Data.List, for example:

   ... sortBy (comparing fst) ...