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| author |  Hugo Herbelin <Hugo.Herbelin@inria.fr> | 2016-10-24 11:29:52 +0200 |
|---|---|---|
| committer | Hugo Herbelin <Hugo.Herbelin@inria.fr> | 2017-05-22 12:06:59 +0200 |
| commit | 9f463c144c54a013a0ee214383391f9fc48259d9 (patch) | |
| tree | e897efafe48d53239e07309915d888184067ef4e /test-suite/bugs/closed | |
| parent | 9eb2f7480de8ded94a1b96eb4f6cc16d19a8c14d (diff) | |
Using type classes in the interpretation of "specialize" and "contradiction".
We do that by using constr_with_bindings rather than
open_constr_with_bindings (+ extra call to typeclasses in
"specialize"). If my understanding is right, the only effect would be
to succeed more in cases where it was failing (in
inh_conv_coerce_to_gen). In particular, "specialize" and
"contradiction" already have a WITHHOLES test for rejecting pending
holes.
Incidentally, this answers enhancement #5153.
Diffstat (limited to 'test-suite/bugs/closed')
| -rw-r--r-- | test-suite/bugs/closed/5153.v | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/5153.v b/test-suite/bugs/closed/5153.v new file mode 100644 index 000000000..be6407b5f --- /dev/null +++ b/test-suite/bugs/closed/5153.v @@ -0,0 +1,8 @@ +(* An example where it does not hurt having more type-classes resolution *) +Class some_type := { Ty : Type }. +Instance: some_type := { Ty := nat }. +Arguments Ty : clear implicits. +Goal forall (H : forall t : some_type, @Ty t -> False) (H' : False -> 1 = 2), 1 = 2. +Proof. +intros H H'. +specialize (H' (@H _ O)). (* was failing *) |