[Haskell-cafe] Re: Embedding newlines into a string?

Brandon S. Allbery KF8NH allbery at ece.cmu.edu
Mon Apr 14 10:22:50 EDT 2008

On Apr 14, 2008, at 7:51 , Benjamin L. Russell wrote:
> hanoi_shower :: Show a => [(a, a)] -> String
> hanoi_shower [(a, b)] = "Move " ++ show a ++ " to " ++ show b ++ "."

You've just specified via pattern match that hanoi_shower always gets  
a 1-element list.  Is that really what you intended?

brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university    KF8NH

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