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user contribs
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11996 85f007b7-540e-0410-9357-904b9bb8a0f7
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constraints in Program:
- normalize types and defs of local fixpoints before checking the
guardness condition to avoid having to give type annotations, e.g:
<<
Definition fold (A B : Set) (f : B -> A -> B) : B -> tree A -> B :=
fix aux acc t :=
match t with
| Leaf x => f acc x
| Node l => fold_left aux l acc
end.
>>
- add new inh_coerce_to_prod to allow coercion of the typing constraint
to a product before trying to split it. It's a noop in standard mode,
and forgets subsets in Program. Allows to typecheck:
<< (λ x, x) : { f : nat -> nat | ... } >>.
- Better handling of the "abstract" typing constraints in Program.
- Correctly normalize w.r.t. evars. the tycon given by users in Program.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11156 85f007b7-540e-0410-9357-904b9bb8a0f7
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bugs in pattern-matching
compilation with multiple matched objects.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@9783 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@9576 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@9553 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@9530 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@8984 85f007b7-540e-0410-9357-904b9bb8a0f7
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Adds a new kind of casts (CastCoerce) for coercing an object to its base type (e.g. inductive).
The new cast_type type subsumes usual casts ConvCasts. Much of the patch is just adding ConvCasts where needed.
The Pretyping module has been adapted to this change, although it doesn't change anything yet, but this construct could have
a use with current coercions also. Pretyping is also cleaned from the "Use type constraints under lambdas" patch which is not yet ready
for wide use. It has been transferred to a copy of the Pretyping Functor in subtac_pretyping_F.ml.
Subtac is now working as well as I demonstrated at TYPES.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@8875 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@8714 85f007b7-540e-0410-9357-904b9bb8a0f7
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