[Haskell-cafe] closed classes [was: Re: exceptions vs. Either]

MR K P SCHUPKE k.schupke at imperial.ac.uk
Thu Aug 12 10:13:44 EDT 2004

>but if f is exported, that's probably not what you want.


Read my post carefully - I am suggesting that you close the class
on IMPORT so

module X

import a
import b 
import c

So we close the class here - after reading all possible instances
from imported files a,b, and c


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