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[Caml-list] Matching when
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Date: -- (:)
From: Nicolas Cannasse <warplayer@f...>
Subject: [Caml-list] Matching when
Hi !

I was thinking that the following should be possible :

match e with
| Any
| Int x when x > 0 ->
        .... (* here we don't use x *)
| ....

But the typechecker reject it because of the unbound 'x' in the "Any"
I don't know what kind of difficulty this modification require, but it would
be nice if the compiler was able to resolve such cases.

Nicolas Cannasse

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