Mercurial > urweb
view tests/functor.ur @ 281:7d5860add50f
Change sqlify[int|float|string] to annotate with SQL types
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Thu, 04 Sep 2008 10:27:21 -0400 |
parents | 71bafe66dbe1 |
children |
line wrap: on
line source
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