Use end index "[^1]"

morelinq · Nov 4, 2022 · c88bba1 · c88bba1
1 parent d684bf8
commit c88bba1
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Showing 2 changed files with 2 additions and 5 deletions.
diff --git a/MoreLinq/AggregateRight.cs b/MoreLinq/AggregateRight.cs
@@ -52,7 +52,7 @@ public static TSource AggregateRight<TSource>(this IEnumerable<TSource> source,
             if (list.Count == 0)
                 throw new InvalidOperationException("Sequence contains no elements.");
 
-            return AggregateRightImpl(list, list[list.Count - 1], func, list.Count - 1);
+            return AggregateRightImpl(list, list[^1], func, list.Count - 1);
         }
 
         /// <summary>

diff --git a/MoreLinq/ScanRight.cs b/MoreLinq/ScanRight.cs
@@ -50,10 +50,7 @@ public static IEnumerable<TSource> ScanRight<TSource>(this IEnumerable<TSource>
             if (source == null) throw new ArgumentNullException(nameof(source));
             if (func == null) throw new ArgumentNullException(nameof(func));
 
-            return ScanRightImpl(source, func,
-                                 list => list.Count > 0
-                                       ? (list[list.Count - 1], list.Count - 1)
-                                       : ((TSource, int)?) null);
+            return ScanRightImpl(source, func, list => list.Count > 0 ? (list[^1], list.Count - 1) : null);
         }
 
         /// <summary>