Lennart Augustsson wrote:
Well, I think the GADT type definition syntax is the syntax data type
definitions should have had from the start. Too bad we didn't
realize it 15 years ago.
-- Lennart
I agree! In my experience teaching Haskell, the current syntax is a bit
confusing for newbies, and for years I've been telling students, "It
really means this: ..." and then I write out a syntax more like GADT's.
I also think that if we had adopted this syntax from the beginning,
GADT's would have been "discovered" far sooner than now.
-Paul
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