Rewrite swap more succinctly via tuples (#868)

morelinq · Nov 4, 2022 · 66cfe26 · 66cfe26
1 parent db11510
commit 66cfe26
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/MoreLinq/RandomSubset.cs b/MoreLinq/RandomSubset.cs
@@ -88,9 +88,7 @@ static IEnumerable<T> RandomSubsetImpl<T>(IEnumerable<T> source, Random rand, Fu
             while (m < subsetSize)
             {
                 var k = g - rand.Next(w);
-                var tmp = array[k];
-                array[k] = array[m];
-                array[m] = tmp;
+                (array[k], array[m]) = (array[m], array[k]);
                 ++m;
                 --w;
             }