[Haskell-cafe] Pattern Matching

Colin Paul Adams colin at colina.demon.co.uk
Fri Nov 13 05:00:00 EST 2009


>>>>> "Andrew" == Andrew Coppin <andrewcoppin at btinternet.com> writes:

    Andrew> Casey Hawthorne wrote:
    >> Why in a pattern match like
    >> 
    >> score (1 3) = 7
    >> 
    >> can I not have
    >> 
    >> sizeMax = 3
    >> 
    >> score (1 sizeMax) = 7
    >> 

If I had a dollar for every time I've written something like

    Andrew>  case msg of eVENT_QUIT -> ...  eVENT_POST -> ...
    Andrew> eVENT_RESIZE -> ...

    Andrew> and spent an hour trying to figure out why the messages
    Andrew> aren't being processed right... ;-)

So why aren't they?


-- 
Colin Adams
Preston Lancashire


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