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authorGravatar Enrico Tassi <gareuselesinge@debian.org>2016-12-27 16:53:30 +0100
committerGravatar Enrico Tassi <gareuselesinge@debian.org>2016-12-27 16:53:30 +0100
commita4c7f8bd98be2a200489325ff7c5061cf80ab4f3 (patch)
tree26dd9c4aa142597ee09c887ef161d5f0fa5077b6 /test-suite/bugs/closed/5161.v
parent164c6861860e6b52818c031f901ffeff91fca16a (diff)
Imported Upstream version 8.6upstream/8.6
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diff --git a/test-suite/bugs/closed/5161.v b/test-suite/bugs/closed/5161.v
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+(* Check that the presence of binders with type annotation do not
+ prevent the recursive binder part to be found *)
+
+From Coq Require Import Utf8.
+
+Delimit Scope C_scope with C.
+Global Open Scope C_scope.
+
+Delimit Scope uPred_scope with I.
+
+Definition FORALL {T : Type} (f : T → Prop) : Prop := ∀ x, f x.
+
+Notation "∀ x .. y , P" :=
+ (FORALL (λ x, .. (FORALL (λ y, P)) ..)%I)
+ (at level 200, x binder, y binder, right associativity) : uPred_scope.
+Infix "∧" := and : uPred_scope.
+
+(* The next command fails with
+ In recursive notation with binders, Φ is expected to come without type.
+ I would expect this notation to work fine, since the ∀ does support
+ type annotation.
+*)
+Notation "'{{{' P } } } e {{{ x .. y ; pat , Q } } }" :=
+ (∀ Φ : _ → _,
+ (∀ x, .. (∀ y, Q ∧ Φ pat) .. ))%I
+ (at level 20, x closed binder, y closed binder,
+ format "{{{ P } } } e {{{ x .. y ; pat , Q } } }") : uPred_scope.