diff options
author | letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2007-05-27 19:57:03 +0000 |
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committer | letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2007-05-27 19:57:03 +0000 |
commit | 25ebbaf1f325cf4e3694ab379f48a269d1d83d25 (patch) | |
tree | 3dce1c387469f75ffd3fb7150bb871861adccd1c /theories/FSets/FSetBridge.v | |
parent | 5e7d37af933a6548b2194adb5ceeaff30e6bb3cb (diff) |
As suggested by Pierre Casteran, fold for FSets/FMaps now takes a
(A:Type) instead of a (A:Set).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@9863 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/FSets/FSetBridge.v')
-rw-r--r-- | theories/FSets/FSetBridge.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/theories/FSets/FSetBridge.v b/theories/FSets/FSetBridge.v index f517898e1..55b00f063 100644 --- a/theories/FSets/FSetBridge.v +++ b/theories/FSets/FSetBridge.v @@ -115,7 +115,7 @@ Module DepOfNodep (M: S) <: Sdep with Module E := M.E. Defined. Definition fold : - forall (A : Set) (f : elt -> A -> A) (s : t) (i : A), + forall (A : Type) (f : elt -> A -> A) (s : t) (i : A), {r : A | let (l,_) := elements s in r = fold_left (fun a e => f e a) l i}. Proof. @@ -648,11 +648,11 @@ Module NodepOfDep (M: Sdep) <: S with Module E := M.E. destruct (M.elements s); auto. Qed. - Definition fold (B : Set) (f : elt -> B -> B) (i : t) + Definition fold (B : Type) (f : elt -> B -> B) (i : t) (s : B) : B := let (fold, _) := fold f i s in fold. Lemma fold_1 : - forall (s : t) (A : Set) (i : A) (f : elt -> A -> A), + forall (s : t) (A : Type) (i : A) (f : elt -> A -> A), fold f s i = fold_left (fun a e => f e a) (elements s) i. Proof. intros; unfold fold in |- *; case (M.fold f s i); unfold elements in *; |