ZipList implements IEnumerable's

Author: gusty

src/FSharpPlus/Data/ZipList.fs

@@ -5,10 +5,13 @@ open FSharpPlus
 
 
 /// A sequence with an Applicative functor based on zipping.
-[<NoEquality;NoComparison>]
+[<NoEquality; NoComparison>]
 type ZipList<'s> = ZipList of 's seq with
     member this.Item n = let (ZipList s) = this in Seq.item n s
 
+    interface IEnumerable<'s> with member x.GetEnumerator () = (let (ZipList x) = x in x).GetEnumerator ()
+    interface System.Collections.IEnumerable with member x.GetEnumerator () = (let (ZipList x) = x in x).GetEnumerator () :> System.Collections.IEnumerator
+
 /// Basic operations on ZipList
 [<RequireQualifiedAccess>]
 module ZipList =