fs: Formalize the ObjectUnWrapper interface

2018-01-31 16:21:41 +00:00
parent b3d8b7e22e
commit 2eb5cfb7ad
2 changed files with 20 additions and 12 deletions
@@ -237,6 +237,13 @@ type MimeTyper interface {
 	MimeType() string
 }

+// ObjectUnWrapper is an optional interface for Object
+type ObjectUnWrapper interface {
+	// UnWrap returns the Object that this Object is wrapping or
+	// nil if it isn't wrapping anything
+	UnWrap() Object
+}
+
 // ListRCallback defines a callback function for ListR to use
 //
 // It is called for each tranche of entries read from the listing and