feat: Add Display Implementation for NodeIndex<Ix>

RaoulLuque · RaoulLuque · commit bdaa5792a1d4 · 2026-01-08T17:20:55.000+01:00
and EdgeIndex&lt;Ix&gt; where Ix: Display.
diff --git a/src/graph_impl/mod.rs b/src/graph_impl/mod.rs
@@ -125,6 +125,12 @@ impl<Ix: IndexType> NodeIndex<Ix> {
     }
 }
 
+impl<Ix: fmt::Display> fmt::Display for NodeIndex<Ix> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "NodeIndex({})", self.0)
+    }
+}
+
 unsafe impl<Ix: IndexType> IndexType for NodeIndex<Ix> {
     fn index(&self) -> usize {
         self.0.index()
@@ -192,6 +198,12 @@ impl<Ix: IndexType> From<Ix> for EdgeIndex<Ix> {
     }
 }
 
+impl<Ix: fmt::Display> fmt::Display for EdgeIndex<Ix> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "EdgeIndex({})", self.0)
+    }
+}
+
 impl<Ix: fmt::Debug> fmt::Debug for EdgeIndex<Ix> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         write!(f, "EdgeIndex({:?})", self.0)

Original file line number	Diff line number	Diff line change
`@@ -125,6 +125,12 @@ impl<Ix: IndexType> NodeIndex<Ix> {`
`125`	`125`	`}`
`126`	`126`	`}`
`127`	`127`
	`128`	`+impl<Ix: fmt::Display> fmt::Display for NodeIndex<Ix> {`
	`129`	`+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {`
	`130`	`+ write!(f, "NodeIndex({})", self.0)`
	`131`	`+ }`
	`132`	`+}`
	`133`	`+`
`128`	`134`	`unsafe impl<Ix: IndexType> IndexType for NodeIndex<Ix> {`
`129`	`135`	`fn index(&self) -> usize {`
`130`	`136`	`self.0.index()`
`@@ -192,6 +198,12 @@ impl<Ix: IndexType> From<Ix> for EdgeIndex<Ix> {`
`192`	`198`	`}`
`193`	`199`	`}`
`194`	`200`
	`201`	`+impl<Ix: fmt::Display> fmt::Display for EdgeIndex<Ix> {`
	`202`	`+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {`
	`203`	`+ write!(f, "EdgeIndex({})", self.0)`
	`204`	`+ }`
	`205`	`+}`
	`206`	`+`
`195`	`207`	`impl<Ix: fmt::Debug> fmt::Debug for EdgeIndex<Ix> {`
`196`	`208`	`fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {`
`197`	`209`	`write!(f, "EdgeIndex({:?})", self.0)`