From 061a0966008860965245d417786554d1b3b49f64 Mon Sep 17 00:00:00 2001
From: Lucien Greathouse <me@lpghatguy.com>
Date: Tue, 24 Sep 2019 17:55:39 -0700
Subject: [PATCH] Add PathMap::orphans for traversing the map's roots

---
 src/path_map.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/path_map.rs b/src/path_map.rs
index 506f29f4..9ccf11ea 100644
--- a/src/path_map.rs
+++ b/src/path_map.rs
@@ -156,6 +156,10 @@ impl<T> PathMap<T> {
         current_path
     }
 
+    pub fn orphans(&self) -> impl Iterator<Item = &Path> {
+        self.orphan_paths.iter().map(|item| item.as_ref())
+    }
+
     /// Adds the path to its parent if it's present in the tree, or the set of
     /// orphaned paths if it is not.
     fn add_to_parent(&mut self, path: PathBuf) {