From 89cbfe6755bcf52404f2a32b7cdf9978f7c1c92f Mon Sep 17 00:00:00 2001
From: Stephen Toub <stoub@microsoft.com>
Date: Tue, 2 May 2023 07:29:47 -0700
Subject: [PATCH] Simplify SelectArrayIterator method

---
 .../System.Linq/src/System/Linq/Select.cs          | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/libraries/System.Linq/src/System/Linq/Select.cs b/src/libraries/System.Linq/src/System/Linq/Select.cs
index 791363496f68b1..9d3dcc45b05f3b 100644
--- a/src/libraries/System.Linq/src/System/Linq/Select.cs
+++ b/src/libraries/System.Linq/src/System/Linq/Select.cs
@@ -178,15 +178,17 @@ public SelectArrayIterator(TSource[] source, Func<TSource, TResult> selector)
 
             public override bool MoveNext()
             {
-                if (_state < 1 | _state == _source.Length + 1)
+                TSource[] source = _source;
+                int index = _state - 1;
+                if ((uint)index < (uint)source.Length)
                 {
-                    Dispose();
-                    return false;
+                    _state++;
+                    _current = _selector(source[index]);
+                    return true;
                 }
 
-                int index = _state++ - 1;
-                _current = _selector(_source[index]);
-                return true;
+                Dispose();
+                return false;
             }
 
             public override IEnumerable<TResult2> Select<TResult2>(Func<TResult, TResult2> selector) =>