Mercurial > urweb
view tests/constraint.ur @ 2024:6372a742ab04
Allow '+' char in blessMime
See this one [1] for an example
[1] - http://www.w3.org/TR/SVGTiny12/mimereg.html
author | Sergey Mironov <grrwlf@gmail.com> |
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date | Thu, 05 Jun 2014 20:36:12 +0000 |
parents | 71bafe66dbe1 |
children |
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signature S = sig con nm :: Name con r :: {Type} constraint [nm] ~ r end structure M : S = struct con nm = #A con r = [B = float, C = string] constraint [A] ~ [B] constraint [nm] ~ r constraint [C] ~ [D] end structure M' = struct open M con combo = [nm = int] ++ r end structure M' = struct open constraints M con nm' = M.nm con r' = M.r con combo = [nm' = int] ++ r' end signature S' = sig con r1 :: {Type} con r2 :: {Type} constraint r1 ~ r2 end functor F (M : S) : S' = struct con r1 = [M.nm = int] con r2 = M.r open constraints M constraint r1 ~ r2 end