Mercurial > urweb
view tests/openRedef.ur @ 1588:65d6488c82d5
Fix confusing error message when record unification fails because enclosed types are incompatible
author | Adam Chlipala <adam@chlipala.net> |
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date | Sat, 05 Nov 2011 09:56:52 -0400 |
parents | cccf8bf64b30 |
children |
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structure M = struct con num = int val zero = 0 end structure N = struct open M con num = num * num val zero = zero + 1 end structure O = struct open N val one : num = (zero + 1, zero) end