conditional for rangeAt or range(at

Author: evermeer

EVReflection.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "EVReflection"
-  s.version      = "5.4.1"
+  s.version      = "5.4.2"
   s.summary      = "Reflection based object mapping. (Dictionary, CKRecord, NSManagedObject, Realm, JSON, XML, Alamofire, Moya, RxSwift, ReactiveSwift)"
 
   s.description  = <<-EOS

EVReflection.xcworkspace/xcuserdata/evermeer.xcuserdatad/UserInterfaceState.xcuserstate

@@ -1582,7 +1582,12 @@ extension Date {
             return nil
         }
 
-        let dateString = (fromDateTimeString as NSString).substring(with: match.range(at: 1))     // Extract milliseconds
+        #if swift(>=4.0)
+            let dateString = (fromDateTimeString as NSString).substring(with: match.range(at: 1))     // Extract milliseconds
+        #else
+            let dateString = (fromDateTimeString as NSString).substring(with: match.rangeAt(1))     // Extract milliseconds
+        #endif
+
         let timeStamp = Double(dateString)! / 1000.0 // Convert to UNIX timestamp in seconds
 
         self.init(timeIntervalSince1970: timeStamp) // Create Date from timestamp