Define void using <$ (re #9827)

Authored by dfeuer.

Description

Define void using <$ (re Trac #9827)

() <$ x is sometimes better than fmap (const ()) x and should
never be worse.

Reviewed By: ekmett

Differential Revision: https://phabricator.haskell.org/D521

Details

Committed
hvrNov 23 2014, 3:02 PM
Reviewer
ekmett
Differential Revision
D521: Define void using <$
Parents
rGHC96d29b5403bd: Call `popCountBigNat` directly (#9818)
Branches
Unknown
Tags
Unknown
Build Status
Buildable 2238
Build 2248: GHC Continuous Integration (amd64/Linux)