[Haskell-beginners] 'Simple' function

[Brandon Allbery]

On Wed, Jun 10, 2015 at 1:06 PM, Brandon Allbery <allbery.b at gmail.com>
wrote:

> asString :: Monad m -> m b -> m b


Typoed, sigh....

  asString :: Monad m => m b -> m b

The thing before the => is a "constraint", in this specifying that the type
"m" must be a type for which an instance of the Monad typeclass has been
defined.

-- 
brandon s allbery kf8nh                               sine nomine associates
allbery.b at gmail.com                                  ballbery at sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net
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