Doing exercises from "Haskell tutorial" ...
03 Oct 2001 10:59:38 +0300
MK> 02 Oct 2001 15:16:27 +0300, Dmitry Astapov <[email protected]> pisze:
>> I need to define SetsAsLists as an instance of Set by supplying
>> definitions for all Set methods, but definitions I wrote led me to
>> adding additional constraints on "union" and "memeber" methods.
MK> What constraints? The class already says that these operations require
MK> Eq on the element type:
Yes, they already there, but only because I placed them there. Original
text from Tutorial does not have these constraints.
Dmitry Astapov //ADEpt E-mail: [email protected]
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