Mercurial > urweb
annotate tests/broad_unif.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 | 71bafe66dbe1 |
children |
rev | line source |
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adamc@76 | 1 structure M = struct |
adamc@76 | 2 type t = int |
adamc@76 | 3 val f = fn x => x |
adamc@76 | 4 val y = f 0 |
adamc@76 | 5 end |
adamc@76 | 6 |
adamc@76 | 7 signature S = sig |
adamc@76 | 8 type t |
adamc@76 | 9 val f : t -> t |
adamc@76 | 10 end |
adamc@76 | 11 |
adamc@76 | 12 structure M : S = struct |
adamc@76 | 13 type t = int |
adamc@76 | 14 val f = fn x => x |
adamc@76 | 15 end |