From 19f273db4533e8a1f148cc8d61e0f2db087427ad Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Tue, 14 Jun 2016 11:07:18 +0200
Subject: [PATCH] Impl Ref::is_dangling()

---
 libimagref/src/reference.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libimagref/src/reference.rs b/libimagref/src/reference.rs
index 6b994441..1066e53c 100644
--- a/libimagref/src/reference.rs
+++ b/libimagref/src/reference.rs
@@ -54,6 +54,11 @@ impl<'a> Ref<'a> {
         unimplemented!()
     }
 
+    /// Alias for `!Ref::fs_link_exists()`
+    pub fn is_dangling(&self) -> bool {
+        !self.fs_link_exists()
+    }
+
     /// check whether the pointer the Ref represents is valid
     /// This includes:
     ///     - Hashsum of the file is still the same as stored in the Ref