Moduleutility-ht-0.0.17.2Haskell98

Data.Record.HT

Synopsis

valuecompare :: [a -> a -> Ordering] -> a -> a -> Ordering

Lexicographically compare a list of attributes of two records.

Example:

compare [comparing fst, comparing snd]

valueequal :: [a -> a -> Bool] -> a -> a -> Bool

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

Example:

equal [equating fst, equating snd]