utility-ht-0.0.10: Various small helper functions for Lists, Maybes, Tuples, Functions

Safe HaskellSafe-Inferred

Data.Record.HT

Synopsis

Documentation

compare :: [a -> a -> Ordering] -> a -> a -> OrderingSource

Lexicographically compare a list of attributes of two records.

Example: 

 compare [comparing fst, comparing snd]

equal :: [a -> a -> Bool] -> a -> a -> BoolSource

Check whether a selected set of fields of two records is equal.

Example: 

 equal [equating fst, equating snd]