1 patch for repository darcs-unstable@darcs.net:screened:
Mon Dec 29 23:48:41 GMT 2014 Ganesh Sittampalam <ganesh@earth.li>
* MINIMAL pragma for Effect class
The Effect type class has defaults for each member in terms of the
other, so it's easy to forget to implement anything.
With GHC >= 7.8 this will check for this problem.