Updates for depricated keyword class (#11)

Author: dppeak

Sources/QLoop/Iterating/QLoopIterating.swift

@@ -1,4 +1,4 @@
-public protocol QLoopIterating: class {
+public protocol QLoopIterating: AnyObject {
     @discardableResult
     func iterate(_ loop: QLoopIterable) -> Bool
 }

Sources/QLoop/QLAnchor.swift

@@ -1,6 +1,6 @@
 import Dispatch
 
-public protocol AnyAnchor: class {
+public protocol AnyAnchor: AnyObject {
     var inputSegment: AnySegment? { get }
 }
 

Sources/QLoop/Segment/AnySegment.swift

@@ -1,4 +1,4 @@
-public protocol AnySegment: class {
+public protocol AnySegment: AnyObject {
     var inputAnchor: AnyAnchor { get }
     var outputAnchor: AnyAnchor? { get }
     var operationIds: [AnyHashable] { get }