From 0826e140b83e947e25289e60cc936f1033d79083 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20M=C3=BCller?= <stefan.mueller@aksdb.de>
Date: Tue, 21 Oct 2025 15:57:48 +0200
Subject: [PATCH] Add iterator over vertices Graph::iter()

---
 src/models.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/models.rs b/src/models.rs
index a9d59ab..ba8ad71 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -24,7 +24,6 @@ pub struct Graph {
     pub incidence_vertices: Vec<Vertex>,
 }
 
-// TODO: Add iterator of vertices.
 // TODO: Add iterator of edges.
 // TODO: Add iterator of vertex neighbors, see 'fn add_adjacent()'.
 impl Graph {
@@ -87,6 +86,10 @@ impl Graph {
         self.incidence_headers[v1.0].first_incidence =
             Some(Incidence(self.incidence_vertices.len() - 1));
     }
+
+    pub fn iter(&self) -> impl Iterator<Item = Vertex> {
+        (0..self.incidence_headers.len()).map(Vertex)
+    }
 }
 
 #[cfg(test)]