[Haskell-cafe] Re: Non-Overlapping Patterns

5 May 2008


      Achim Schneider  wrote:
...
isZero n = case n of
  0 -> True
  n -> if n /= 0
      then False
      else undefined
You can't exchange the order, here, of course, the semantics of this
and a guard-version would differ.
 

-- 
(c) this sig last receiving data processing entity. Inspect headers for
past copyright information. All rights reserved. Unauthorised copying,
hiring, renting, public performance and/or broadcasting of this
signature prohibited.