Is the composition instance of Control.Applicative defined somewhere?  I see it in the McBride & Paterson paper [1], but not in the library docs [2].  I'd rather pull it in from a library than (re)define it myself.
<br><br>[1] <a href="http://www.soi.city.ac.uk/~ross/papers/Applicative.pdf">http://www.soi.city.ac.uk/~ross/papers/Applicative.pdf</a><br>[2] <a href="http://www.haskell.org/ghc/docs/latest/html/libraries/base/Control-Applicative.html">
http://www.haskell.org/ghc/docs/latest/html/libraries/base/Control-Applicative.html</a><br>