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Fox the clauses that actually satisfy box and mutable constraints; in all the confusion I had got those wrong.

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Graydon Hoare
2010-07-01 18:39:58 -07:00
parent c27879a1aa
commit bb018b24f5
1 changed files with 10 additions and 14 deletions
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src/boot/me/type.ml
+10 -14
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@@ -417,13 +417,11 @@ let process_crate (cx:ctxt) (crate:Ast.crate) : unit =
| (TYSPEC_box a', TYSPEC_box b') ->
unify_tyvars ucx a' b'; !a
| (TYSPEC_box a',
TYSPEC_resolved (_, Ast.TY_box _)) ->
unify_tyvars ucx a' b; !b
| (TYSPEC_resolved (_, Ast.TY_box _),
TYSPEC_box b') ->
unify_tyvars ucx a b'; !a
| (TYSPEC_box tv,
TYSPEC_resolved (params, Ast.TY_box ty))
| (TYSPEC_resolved (params, Ast.TY_box ty),
TYSPEC_box tv) ->
unify_ty_parametric ucx ty params tv; !a
| (_, TYSPEC_resolved (params, Ast.TY_box ty))
when ucx.box_ok ->
@@ -446,13 +444,11 @@ let process_crate (cx:ctxt) (crate:Ast.crate) : unit =
| (TYSPEC_mutable a', TYSPEC_mutable b') ->
unify_tyvars ucx a' b'; !a
| (TYSPEC_mutable a',
TYSPEC_resolved (_, Ast.TY_mutable _)) ->
unify_tyvars ucx a' b; !b
| (TYSPEC_resolved (_, Ast.TY_mutable _),
TYSPEC_mutable b') ->
unify_tyvars ucx a b'; !a
| (TYSPEC_mutable tv,
TYSPEC_resolved (params, Ast.TY_mutable ty))
| (TYSPEC_resolved (params, Ast.TY_mutable ty),
TYSPEC_mutable tv) ->
unify_ty_parametric ucx ty params tv; !a
| (_, TYSPEC_resolved (params, Ast.TY_mutable ty))
when ucx.mut_ok ->