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Show and Read instance

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(How to implement show and read?)
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Revision as of 14:29, 13 November 2006

What shall the Show and Read instances show and parse, respectively? It is certainly a good thing, if

  • read
    parses, what

The next question is:

emit valid Haskell code,

that represents the shown data, or shall it show something user friendly, maybe even something that is formatted in a line-oriented way.

Meaning of Show and Read I Meaning of Show and Read II

Raw vs. Show

Show instance for Tree