Mercurial > urweb
view tests/functor.ur @ 2262:34ad83d9b729
Fix recording bugs to do with nesting and buffer reallocation. Stop MonoFooify printing spurious errors.
author | Ziv Scully <ziv@mit.edu> |
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date | Wed, 07 Oct 2015 08:58:08 -0400 |
parents | 71bafe66dbe1 |
children |
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signature S = sig type t val z : t val s : t -> t end signature T = sig type t val three : t end functor F (M : S) : T where type t = M.t = struct type t = M.t val three = M.s (M.s (M.s M.z)) end structure O = F (struct type t = int val z = 0 val s = fn x : t => x end) val three : int = O.three structure S = struct type t = int val z = 0 val s = fn x : t => x end structure SO = F (S) val three : int = SO.three structure SS : S = S structure SSO = F (SS) val three : SS.t = SSO.three val main = three