 | utility-ht-0.0.5.1: Various small helper functions for Lists, Maybes, Tuples, Functions | Source code | Contents | Index |
| Data.Record.HT |
| compare :: [a -> a -> Ordering] -> a -> a -> Ordering |
| equal :: [a -> a -> Bool] -> a -> a -> Bool |
| compare :: [a -> a -> Ordering] -> a -> a -> Ordering | Source |
Lexicographically compare a list of attributes of two records.
Example:
compare [comparing fst, comparing snd]
| equal :: [a -> a -> Bool] -> a -> a -> Bool | Source |
Check whether a selected set of fields of two records is equal.
Example:
equal [equating fst, equating snd]