Mercurial > urweb
view tests/open_functor.ur @ 723:311ca1ae715d
Simplify type class requirement for tree demo
author | Adam Chlipala <adamc@hcoop.net> |
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date | Mon, 13 Apr 2009 08:44:32 -0400 |
parents | 71bafe66dbe1 |
children |
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signature S = sig type t val x : t end functor F (M : S) : S where type t = M.t = struct type t = M.t val x = M.x end structure M = F(struct type t = int val x = 0 end) open M