From 7a6dbef4f944c71ad16547372a23368d1f16bb90 Mon Sep 17 00:00:00 2001
From: Oliver Booth <me@olivr.me>
Date: Mon, 27 Feb 2023 21:11:07 +0000
Subject: [PATCH] [ci skip] Fix null-check precondition for WhereNot<T>

---
 X10D/src/Collections/EnumerableExtensions.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/X10D/src/Collections/EnumerableExtensions.cs b/X10D/src/Collections/EnumerableExtensions.cs
index ddba90e58..93e1b677c 100644
--- a/X10D/src/Collections/EnumerableExtensions.cs
+++ b/X10D/src/Collections/EnumerableExtensions.cs
@@ -1,4 +1,4 @@
-using System.Diagnostics.Contracts;
+using System.Diagnostics.Contracts;
 
 namespace X10D.Collections;
 
@@ -335,7 +335,7 @@ public static IReadOnlyCollection<T> Shuffled<T>(this IEnumerable<T> source, Ran
     [Pure]
     public static IEnumerable<TSource> WhereNot<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)
     {
-#if NET6_0
+#if NET6_0_OR_GREATER
         ArgumentNullException.ThrowIfNull(source);
         ArgumentNullException.ThrowIfNull(predicate);
 #else