Make everything compile with Coq 8.6

3b9f9c3b · Ralf Jung · 62389c82 · 3b9f9c3b
Commit 3b9f9c3b authored Oct 13, 2016 by Ralf Jung
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theories/list.v theories/list.v +6 -1

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--- a/theories/list.v
+++ b/theories/list.v
@@ -2234,7 +2234,12 @@ Section Forall_Exists.
  Lemma not_Forall_Exists l : ¬Forall P l → Exists (not ∘ P) l.
  Proof. intro. destruct (Forall_Exists_dec dec l); intuition. Qed.
  Lemma not_Exists_Forall l : ¬Exists P l → Forall (not ∘ P) l.
-  Proof. by destruct (Forall_Exists_dec (λ x, swap_if (decide (P x))) l). Qed.
+  Proof.
+    (* TODO: Coq 8.6 needs type annotation here, Coq 8.5 did not.
+       Should we report this? *)
+    by destruct (@Forall_Exists_dec (not ∘ P) _
+        (λ x : A, swap_if (decide (P x))) l).
+  Qed.
  Global Instance Forall_dec l : Decision (Forall P l) :=
    match Forall_Exists_dec dec l with
    | left H => left H