Data.Record.Field.Tuple
Description
Instances for tuples of fields up to a 10-tuple. This allows accessing several fields simultaneously.
r.#(field1, field2, field3#field4) =: (value1, value2, value3)
In addition, the pair instance is recursively defined, which allows stuff like
import Control.Arrow ((***)) r.#(field1, (field2, field3)) =~ (f *** g *** h)