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We stop failing automatically on non-declared-class nested or toplevel
subgoals as in 8.5, instead of the previous a477dc behavior of shelving
those goals and failing if shelved goals remained at the end of
resolution. It means typeclass resolution during refinement is closer to
all:typeclasses eauto. Hints in typeclass_instances for non-declared
classes can be used during resolution of _nested_ subgoals when it is
fired from type-inference, toplevel goals considered in this case are
still only classes (as in 8.5 and before). The code that triggers the
restriction to only declared class subgoals is commented.
Revert changes to test-suite, adding test for #5203, #5198 is fixed too.
Add corresponding tests in the test-suite (that will break if we,
e.g. disallow non-class subgoals) and update the refman accordingly.
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In only_classes mode we do not try to implement a stricter semantics for
shelved goals in 8.6. Leaving this for 8.7.
Update the documentation as well.
Remove a spurious printf call as well.
Fix test-suite now that shelved goals are allowed
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be the instance writer's responsibility to not generated non-dependent
non-class subgoals (otherwise we loose compatibility as shown in
e.g. MathClasses, which goes into loops because of unexpectedly
unconstrained goals). Reflect it in the doc.
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Now [typeclasses eauto] mimicks what happens during resolution
faithfully, and the shelving behavior/requirements for a successful
proof-search are documented.
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In addition to a priority, cleanup the interfaces for passing this
information as well. The pattern, if given, takes priority over the
inferred one.
We only allow Existing Instances gr ... gr | pri. for now, without
pattern, as before.
Make the API compatible to 8.5 as well.
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With update after J. Gross comments
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This commit also removes comments from Coq examples, as they cause
extraneous delayed prompts that clutter the output because coq_tex cannot
remove them. Some documentation errors were also fixed in the process,
since they are easier to spot now that only unexpected failures stand out.
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It's possible that I should have removed more "allows", as many
instances of "foo allows to bar" could have been replaced by "foo bars"
(e.g., "[Qed] allows to check and save a complete proof term" could be
"[Qed] checks and saves a complete proof term"), but not always (e.g.,
"the optional argument allows to ignore universe polymorphism" should
not be "the optional argument ignores universe polymorphism" but "the
optional argument allows the caller to instruct Coq to ignore universe
polymorphism" or something similar).
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16646 85f007b7-540e-0410-9357-904b9bb8a0f7
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- For instance, refl_equal --> eq_refl
- Npos, Zpos, Zneg now admit more uniform qualified aliases
N.pos, Z.pos, Z.neg.
- A new module BinInt.Pos2Z with results about injections from
positive to Z
- A result about Z.pow pushed in the generic layer
- Zmult_le_compat_{r,l} --> Z.mul_le_mono_nonneg_{r,l}
- Using tactic Z.le_elim instead of Zle_lt_or_eq
- Some cleanup in ring, field, micromega
(use of "Equivalence", "Proper" ...)
- Some adaptions in QArith (for instance changed Qpower.Qpower_decomp)
- In ZMake and ZMake, functor parameters are now named NN and ZZ
instead of N and Z for avoiding confusions
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15515 85f007b7-540e-0410-9357-904b9bb8a0f7
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This is useful, for example, in declaring the projection of the dependent
record bundled form of an unbundled typeclass.
Patch submitted by Tom Prince
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13956 85f007b7-540e-0410-9357-904b9bb8a0f7
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dependency order of obligations that was not backwards-compatible.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12719 85f007b7-540e-0410-9357-904b9bb8a0f7
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NB: the grammar entry is placed in vernac:command on purpose
even if it should have gone into vernac:gallina_ext. Camlp4
isn't factorising rules starting by "Declare" in a correct way
otherwise...
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12623 85f007b7-540e-0410-9357-904b9bb8a0f7
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[Generalizable (All|No) Variables (ident+)?], also update
type classes documentation to reflect the latest changes
in instance decls. Fix a bug in [Util.list_split_when].
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12525 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12386 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12322 85f007b7-540e-0410-9357-904b9bb8a0f7
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- Filtering of doc compilation messages (11793,11795,11796).
- Fixing bug #1925 and cleaning around bug #1894 (11796, 11801).
- Adding some tests.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11802 85f007b7-540e-0410-9357-904b9bb8a0f7
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- curly braces mandatory for record class instances
- no mention of the unique method for definitional class instances
Turning a record or definition into a class is mostly a
matter of changing the keywords to 'Class' and 'Instance' now.
Documentation reflects these changes, and was checked once more
along with setoid_rewrite's and Program's.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11797 85f007b7-540e-0410-9357-904b9bb8a0f7
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- Document the new binders, now in sync with the implementation
- Fix the examples
- Redo the part about superclasses now that we got rid of "=>"
- Add explanation of singleton "definitional" classes
- Add info about the optional priority attribute of instances (thanks to
M. Lasson for pointing it out).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11680 85f007b7-540e-0410-9357-904b9bb8a0f7
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de l'utilisation des modificateurs Global/Local
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11480 85f007b7-540e-0410-9357-904b9bb8a0f7
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- Don't use [Eq] and [eq] in the typeclasses documentation, as advised by Assia.
- Explain the importance of [Transparent/Opaque] for typeclasses and
[setoid_rewrite].
- Fix and rework doc on [dependent induction].
- A word on [Global] instance.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11410 85f007b7-540e-0410-9357-904b9bb8a0f7
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Thanks to Samuel Bronson for pointing out [Typeclasses unfold] was not referenced from the Setoid doc.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11217 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11070 85f007b7-540e-0410-9357-904b9bb8a0f7
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in reasonable time), add (unfinished) documentation on type classes.
Put some classes into Prop explicitely as singleton inductive types are
no longer in Prop by default even if all the arguments are (is that
really what we want? roconnor says no).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10868 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10808 85f007b7-540e-0410-9357-904b9bb8a0f7
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