Mercurial > urweb
view tests/dtfunctor.ur @ 1742:fca4a6d05ac1
More diagnostic information about some type class resolution failures
author | Adam Chlipala <adam@chlipala.net> |
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date | Fri, 04 May 2012 10:33:04 -0400 |
parents | 21ecf340f05c |
children |
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functor Make(M : sig end) = struct datatype t = A | B end structure A = Make(struct end) structure B = Make(struct end) fun main (x : A.t) (y : B.t) : transaction page = return <xml/>