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(parent: 7ae5d47) | patch
add alternative functors and extra instances
authorRoss Paterson <ross@soi.city.ac.uk>
Mon, 21 Aug 2006 15:21:51 +0000 (15:21 +0000)
committerRoss Paterson <ross@soi.city.ac.uk>
Mon, 21 Aug 2006 15:21:51 +0000 (15:21 +0000)
commit0b592d6ef91420812f5443cdbf2a817212bde69b
treeb6c85b80a84cc636c02ccf9d7fc84b11a9abdb30tree | snapshot
parent7ae5d4712cba37e6484c40e5ca4525066db15339commit | diff
add alternative functors and extra instances

* Alternative class, for functors with a monoid
* instances for Const
* instances for arrows
Control/Applicative.hs diff | blob | history
GHC "base" library, with HetMet modifications