[Haskell-beginners] am I wording this right?

Jason Dusek jason.dusek at gmail.com
Tue Aug 4 21:54:14 EDT 2009

2009/08/04 Michael P Mossey <mpm at alumni.caltech.edu>:
> Is there ever a case in which you would refer to the type
> variable 'a' somewhere in the definition of an instance?

  When using overloaded functions to write the instance -- for
  example, `fmap` or `mappend` -- you might place type
  signatures on them to disambiguate.

Jason Dusek

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