Revert "Remove GetIter"

This reverts commit a49522dc86770a741d61d548351ad69dfc56d1fa.

lib/entry/libimagentrylink/src/internal.rs

@@ -200,6 +200,10 @@ pub mod iter {
             LinkIter(v.into_iter())
         }
 
+        pub fn into_getter(self, store: &Store) -> GetIter {
+            GetIter(self.0, store)
+        }
+
     }
 
     impl Iterator for LinkIter {
@@ -225,6 +229,32 @@ pub mod iter {
         }
     }
 
+    /// An Iterator that `Store::get()`s the Entries from the store while consumed
+    pub struct GetIter<'a>(IntoIter<Link>, &'a Store);
+
+    impl<'a> GetIter<'a> {
+        pub fn new(i: IntoIter<Link>, store: &'a Store) -> GetIter<'a> {
+            GetIter(i, store)
+        }
+
+        pub fn store(&self) -> &Store {
+            self.1
+        }
+    }
+
+    impl<'a> Iterator for GetIter<'a> {
+        type Item = Result<FileLockEntry<'a>>;
+
+        fn next(&mut self) -> Option<Self::Item> {
+            self.0.next().and_then(|id| match self.1.get(id) {
+                Ok(None)    => None,
+                Ok(Some(x)) => Some(Ok(x)),
+                Err(e)      => Some(Err(e).map_err(From::from)),
+            })
+        }
+
+    }
+
 }
 
 impl InternalLinker for Entry {