graph.rs: Type alias.

1 files changed, 3 insertions, 2 deletions

diff --git a/rust/graph/graph.rs b/rust/graph/graph.rs
index 648c131..30ffc35 100644
--- a/rust/graph/graph.rs
+++ b/rust/graph/graph.rs
@@ -8,9 +8,10 @@ struct Node {
     label: i32,
     neighbors: Vec<Rc<RefCell<Node>>>,
 }
+type RefNode = Rc<RefCell<Node>>;
 
-fn make_graph() -> Vec<Rc<RefCell<Node>>> {
-    let mut nodes : Vec<Rc<RefCell<Node>>> = Vec::new();
+fn make_graph() -> Vec<RefNode> {
+    let mut nodes : Vec<RefNode> = vec!();
     {
         let mut make_node = |label: i32| {
             let node = Rc::new(RefCell::new(Node {