Minor refactor

pfpack · Aug 30, 2023 · f8d8b03 · f8d8b03
1 parent fb3f25a
commit f8d8b03
Showing 1 changed file with 11 additions and 5 deletions.
diff --git a/src/flatcollections-array/FlatArray/FlatArray.T.FlatList/FlatArray.FlatList.Impl.Inner.cs b/src/flatcollections-array/FlatArray/FlatArray.T.FlatList/FlatArray.FlatList.Impl.Inner.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Runtime.CompilerServices;
 
 namespace System;
@@ -55,13 +56,18 @@ private void InnerCopyToChecked(
                 return;
             }
 
-            var sourceSpan = length == items.Length
-                ? new ReadOnlySpan<T>(items)
-                : new ReadOnlySpan<T>(items, 0, length);
-
             var destSpan = new Span<T>(array, arrayIndex, array.Length - arrayIndex);
+            InnerAsSpan().CopyTo(destSpan);
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            ReadOnlySpan<T> InnerAsSpan()
+            {
+                Debug.Assert(length != default);
 
-            sourceSpan.CopyTo(destSpan);
+                return length == items.Length
+                    ? new ReadOnlySpan<T>(items)
+                    : new ReadOnlySpan<T>(items, 0, length);
+            }
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]