Re: [Haskell-cafe] Maybe a, The Rationale

On 2008 May 10, at 20:41, Philip Weaver wrote:

On Sat, May 10, 2008 at 3:10 PM, PR Stanley wrote:

...

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Um, I was encountering and recognizing times when I really needed an out-of-band "null", and the pain of representing such in C, shortly after I started serious programming in C (call it 1984-5). Is this really difficult?

Paul: Hmm, I'm not quite sure what you're driving at.

Me neither.

Null pointers, EOF markers, didn't find specified key in some tree, etc. -- brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery@kf8nh.com system administrator [openafs,heimdal,too many hats] allbery@ece.cmu.edu electrical and computer engineering, carnegie mellon university KF8NH