diff options
author | Enrico Tassi <gareuselesinge@debian.org> | 2015-01-25 14:42:51 +0100 |
---|---|---|
committer | Enrico Tassi <gareuselesinge@debian.org> | 2015-01-25 14:42:51 +0100 |
commit | 7cfc4e5146be5666419451bdd516f1f3f264d24a (patch) | |
tree | e4197645da03dc3c7cc84e434cc31d0a0cca7056 /test-suite/bugs/closed/2362.v | |
parent | 420f78b2caeaaddc6fe484565b2d0e49c66888e5 (diff) |
Imported Upstream version 8.5~beta1+dfsg
Diffstat (limited to 'test-suite/bugs/closed/2362.v')
-rw-r--r-- | test-suite/bugs/closed/2362.v | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/2362.v b/test-suite/bugs/closed/2362.v new file mode 100644 index 00000000..febb9c7b --- /dev/null +++ b/test-suite/bugs/closed/2362.v @@ -0,0 +1,38 @@ +Set Implicit Arguments. + +Class Pointed (M:Type -> Type) := +{ + creturn: forall {A: Type}, A -> M A +}. + +Unset Implicit Arguments. +Inductive FPair (A B:Type) (neutral: B) : Type:= + fpair : forall (a:A) (b:B), FPair A B neutral. +Implicit Arguments fpair [[A] [B] [neutral]]. + +Set Implicit Arguments. + +Notation "( x ,> y )" := (fpair x y) (at level 0). + +Instance Pointed_FPair B neutral: + Pointed (fun A => FPair A B neutral) := + { creturn := fun A (a:A) => (a,> neutral) }. +Definition blah_fail (x:bool) : FPair bool nat O := + creturn x. +Set Printing All. Print blah_fail. + +Definition blah_explicit (x:bool) : FPair bool nat O := + @creturn _ (Pointed_FPair _ ) _ x. + +Print blah_explicit. + + +Instance Pointed_FPair_mono: + Pointed (fun A => FPair A nat 0) := + { creturn := fun A (a:A) => (a,> 0) }. + + +Definition blah (x:bool) : FPair bool nat O := + creturn x. + + |