[Haskell-cafe] Way to implement toFloat :: (Num a) => a -> Float

Brandon Allbery allbery.b at gmail.com
Thu Dec 12 19:28:00 UTC 2013

On Thu, Dec 12, 2013 at 2:19 PM, EatsKittens
<temporalabstraction at gmail.com>wrote:

> Is there a way to add a method to a typeclass like num to implement this
> concept? A function that converts any number to floats?

What does it mean for (Complex Double)?
What does it mean for (a -> a) (NumInstances)?

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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