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[Caml-list] Typing problem with polymorphic variants
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Alessandro Baretta
- Ville-Pertti Keinonen
- David Brown
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| Date: | -- (:) |
| From: | Ville-Pertti Keinonen <will@e...> |
| Subject: | Re: [Caml-list] Typing problem with polymorphic variants |
On Tuesday, Apr 1, 2003, at 20:34 Europe/Helsinki, Alessandro Baretta wrote: > This just baffles me. > > > Values do not match: > > val feature : > > [> `Clear | `Length of int | `Pitch of int > > | `Width of 'a] -> string > > is not included in > > val feature : [> `Clear] -> string Consider what would happen if you tried to pass a `Length of float, which is acceptable according to the latter signature. ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners