Changes between Version 13 and Version 14 of DefaultSuperclassInstances


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Timestamp:
Aug 15, 2011 8:09:24 AM (4 years ago)
Author:
simonpj
Comment:

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  • DefaultSuperclassInstances

    v13 v14  
    113113== The opt-out mechanism ==
    114114
    115 Just because you can make default instances, they are not always the instances you want. A key example is
     115Just because you ''can'' make default instances, they are not always the instances you ''want''. A key example is
    116116{{{
    117117    instance Monad m => Monad (ReaderT r m) where ...