patter matching for custom read function

Posted by altair211 on Stack Overflow See other posts from Stack Overflow or by altair211
Published on 2010-04-01T22:44:18Z Indexed on 2010/04/01 22:53 UTC
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Hi, I am writing a custom read function for one of the data types in my module. For eg, when I do read "(1 + 1)" :: Data, I want it to return Plus 1 1. My data declaration is data Data = Plus Int Int. Thanks

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