[Haskell-beginners] Haskell wants the type, but I only know the class.
Amy de Buitléir
amy at nualeargais.ie
Thu Nov 3 19:08:14 CET 2011
Thank you, David and Antoine.
I was planning to have files containing different types of objects, but where
all of the types are instances of a particular class. Since the class definition
ensures that whatever the types are, they implement the methods that I need, I
hoped to be able to manipulate the files using those methods, without having to
find out the class programmatically.
Clearly I need to rethink this. I'm looking into existentially quantified data
constructors now, maybe that will help.
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