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Auto-closing polymorphic variants ?
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David Teller
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Martin Jambon
- David Teller
- Jacques Garrigue
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Martin Jambon
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| Date: | -- (:) |
| From: | David Teller <David.Teller@u...> |
| Subject: | Re: [Caml-list] Auto-closing polymorphic variants ? |
Well, sure, but that's a bit unsatisfying, as it's a policy which the type-checker cannot check. Cheers, David On Thu, 2008-02-21 at 01:29 +0100, Martin Jambon wrote: > > Does anyone have ideas on this subject ? > > Yes: don't use wildcards mixed with concrete cases: > > Good: function `A -> ... | `B -> ... > Good: function _ -> ... > > Bad: function `A -> ... | _ -> ... -- David Teller Security of Distributed Systems http://www.univ-orleans.fr/lifo/Members/David.Teller Angry researcher: French Universities need reforms, but the LRU act brings liquidations.