diff options
Diffstat (limited to 'theories/Classes/Init.v')
| -rw-r--r-- | theories/Classes/Init.v | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/theories/Classes/Init.v b/theories/Classes/Init.v index 5df7a4ed..762cc5c1 100644 --- a/theories/Classes/Init.v +++ b/theories/Classes/Init.v @@ -13,12 +13,7 @@ Institution: LRI, CNRS UMR 8623 - UniversitĂcopyright Paris Sud 91405 Orsay, France *) -(* $Id: Init.v 11709 2008-12-20 11:42:15Z msozeau $ *) - -(* Ltac typeclass_instantiation := typeclasses eauto || eauto. *) - -Tactic Notation "clapply" ident(c) := - eapply @c ; typeclasses eauto. +(* $Id: Init.v 12187 2009-06-13 19:36:59Z msozeau $ *) (** Hints for the proof search: these combinators should be considered rigid. *) @@ -29,12 +24,12 @@ Typeclasses Opaque id const flip compose arrow impl iff. (** The unconvertible typeclass, to test that two objects of the same type are actually different. *) -Class Unconvertible (A : Type) (a b : A). +Class Unconvertible (A : Type) (a b : A) := unconvertible : unit. Ltac unconvertible := match goal with | |- @Unconvertible _ ?x ?y => unify x y with typeclass_instances ; fail 1 "Convertible" - | |- _ => eapply Build_Unconvertible + | |- _ => exact tt end. Hint Extern 0 (@Unconvertible _ _ _) => unconvertible : typeclass_instances.
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