Mercurial > urweb
diff src/elaborate.sml @ 413:6a0e54400805
Sum prose
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Tue, 21 Oct 2008 19:56:20 -0400 |
| parents | df4cbd90a26e |
| children | dfc8c991abd0 |
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--- a/src/elaborate.sml Tue Oct 21 19:31:11 2008 -0400 +++ b/src/elaborate.sml Tue Oct 21 19:56:20 2008 -0400 @@ -481,7 +481,7 @@ (case hnormKind (kindof env c) of (L'.KArrow (_, k), _) => k | (L'.KError, _) => kerror - | k => raise CUnify' (CKindof (k, c))) + | k => raise CUnify' (CKindof (k, c, "arrow"))) | L'.CAbs (x, k, c) => (L'.KArrow (k, kindof (E.pushCRel env x k) c), loc) | L'.CDisjoint (_, _, _, c) => kindof env c @@ -497,7 +497,7 @@ | L'.CProj (c, n) => (case hnormKind (kindof env c) of (L'.KTuple ks, _) => List.nth (ks, n - 1) - | k => raise CUnify' (CKindof (k, c))) + | k => raise CUnify' (CKindof (k, c, "tuple"))) | L'.CError => kerror | L'.CUnif (_, k, _, _) => k @@ -546,7 +546,7 @@ case hnormKind (kindof env c) of (L'.KRecord k, _) => k | (L'.KError, _) => kerror - | k => raise CUnify' (CKindof (k, c)) + | k => raise CUnify' (CKindof (k, c, "record")) val k1 = rkindof c1 val k2 = rkindof c2 @@ -2318,7 +2318,7 @@ val env = if n1 = n2 then env else - E.pushCNamedAs env x n1 (L'.KType, loc) + E.pushCNamedAs env x n1 k' (SOME (L'.CNamed n2, loc)) in SOME (env, denv)