From 6fcf0d6fb2cd5cab9a8826b2b1ea660ee785501d Mon Sep 17 00:00:00 2001
From: Lukas Renggli <renggli@gmail.com>
Date: Sat, 28 Oct 2023 15:07:24 +0200
Subject: [PATCH] Add missing comment to `AlgorithmsGraphExtension`

---
 lib/src/graph/algorithms.dart | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/src/graph/algorithms.dart b/lib/src/graph/algorithms.dart
index 5d26bf6..463a1f5 100644
--- a/lib/src/graph/algorithms.dart
+++ b/lib/src/graph/algorithms.dart
@@ -82,6 +82,8 @@ extension AlgorithmsGraphExtension<V, E> on Graph<V, E> {
         vertexStrategy: vertexStrategy ?? this.vertexStrategy,
       );
 
+  /// Internal helper that returns a function using the numeric edge value
+  /// of this graph, or otherwise a constant value for each edge.
   num Function(V source, V target) _getDefaultEdgeValueOr(num value) =>
       this is Graph<V, num>
           ? (source, target) => getEdge(source, target)!.value as num