Use cancellation token from field.

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Amb.cs

@@ -69,7 +69,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -164,7 +164,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Buffer.cs

@@ -71,7 +71,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Catch.cs

@@ -98,7 +98,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -191,7 +191,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -291,7 +291,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Concat.cs

@@ -81,7 +81,7 @@ namespace System.Linq
             private const int State_OuterNext = 1;
             private const int State_While = 4;
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -170,7 +170,7 @@ namespace System.Linq
             private const int State_OuterNext = 1;
             private const int State_While = 4;
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Distinct.cs

@@ -142,7 +142,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -287,7 +287,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/DistinctUntilChanged.cs

@@ -118,7 +118,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -189,7 +189,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -260,7 +260,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Do.cs

@@ -163,7 +163,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -239,7 +239,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Expand.cs

@@ -67,7 +67,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -157,7 +157,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Finally.cs

@@ -65,7 +65,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -123,7 +123,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Generate.cs

@@ -58,7 +58,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/IgnoreElements.cs

@@ -47,7 +47,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Merge.cs

@@ -76,7 +76,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/OnErrorResumeNext.cs

@@ -78,7 +78,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Repeat.cs

@@ -48,7 +48,7 @@ namespace System.Linq
                 return new RepeatElementAsyncIterator<TResult>(_element);
             }
 
-            protected override ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override ValueTask<bool> MoveNextCore()
             {
                 cancellationToken.ThrowIfCancellationRequested();
 
@@ -92,7 +92,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Scan.cs

@@ -87,7 +87,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -161,7 +161,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -225,7 +225,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -299,7 +299,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Timeout.cs

@@ -54,7 +54,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Interactive.Async/System/Linq/Operators/Using.cs

@@ -70,7 +70,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 // NB: Earlier behavior of this operator was more eager, causing the resource factory to be called upon calling
                 //     GetAsyncEnumerator. This is inconsistent with asynchronous "using" and with a C# 8.0 async iterator with
@@ -139,7 +139,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/AsyncEnumerablePartition.cs

@@ -107,7 +107,7 @@ namespace System.Linq
         private bool _hasSkipped;
         private int _taken;
 
-        protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+        protected override async ValueTask<bool> MoveNextCore()
         {
             switch (state)
             {

Ix.NET/Source/System.Linq.Async/System/Linq/AsyncEnumerator.cs

@@ -139,7 +139,7 @@ namespace System.Collections.Generic
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/AsyncIterator.cs

@@ -56,7 +56,7 @@ namespace System.Linq
 
             try
             {
-                return await MoveNextCore(cancellationToken).ConfigureAwait(false);
+                return await MoveNextCore().ConfigureAwait(false);
             }
             catch
             {
@@ -67,7 +67,7 @@ namespace System.Linq
 
         public abstract AsyncIterator<TSource> Clone();
 
-        protected abstract ValueTask<bool> MoveNextCore(CancellationToken cancellationToken);
+        protected abstract ValueTask<bool> MoveNextCore();
     }
 
     internal enum AsyncIteratorState

Ix.NET/Source/System.Linq.Async/System/Linq/AsyncListPartition.cs

@@ -38,7 +38,7 @@ namespace System.Linq
             return new AsyncListPartition<TSource>(_source, _minIndexInclusive, _maxIndexInclusive);
         }
 
-        protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+        protected override async ValueTask<bool> MoveNextCore()
         {
             if ((uint)_index <= (uint)(_maxIndexInclusive - _minIndexInclusive) && _index < _source.Count - _minIndexInclusive)
             {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/AppendPrepend.cs

@@ -110,7 +110,7 @@ namespace System.Linq
                 return new AppendPrepend1AsyncIterator<TSource>(_source, _item, _appending);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -313,7 +313,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/Cast.cs

@@ -53,7 +53,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/Concat.cs

@@ -141,7 +141,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 if (state == AsyncIteratorState.Allocated)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/DefaultIfEmpty.cs

@@ -59,7 +59,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/Distinct.cs

@@ -88,7 +88,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/Except.cs

@@ -68,7 +68,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 // NB: Earlier implementations of this operator constructed the set for the second source concurrently
                 //     with the first MoveNextAsync call on the first source. This resulted in an unexpected source of

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/GroupBy.cs

@@ -242,7 +242,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -335,7 +335,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -428,7 +428,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -521,7 +521,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -610,7 +610,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -699,7 +699,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/Intersect.cs

@@ -68,7 +68,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 // NB: Earlier implementations of this operator constructed the set for the second source concurrently
                 //     with the first MoveNextAsync call on the first source. This resulted in an unexpected source of

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/Join.cs

@@ -131,7 +131,7 @@ namespace System.Linq
             private const int State_For = 3;
             private const int State_While = 4;
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -258,7 +258,7 @@ namespace System.Linq
             private const int State_For = 3;
             private const int State_While = 4;
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/OfType.cs

@@ -47,7 +47,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/OrderedAsyncEnumerable.cs

@@ -28,7 +28,7 @@ namespace System.Linq
             return new OrderedAsyncEnumerableWithTask<TElement, TKey>(_source, keySelector, comparer, descending, this);
         }
 
-        protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+        protected override async ValueTask<bool> MoveNextCore()
         {
             switch (state)
             {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/Range.cs

@@ -107,7 +107,7 @@ namespace System.Linq
 
             public Task<Maybe<int>> TryGetLastAsync(CancellationToken cancellationToken) => Task.FromResult(new Maybe<int>(_end - 1));
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/Repeat.cs

@@ -58,7 +58,7 @@ namespace System.Linq
                 return Task.FromResult(res);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/Reverse.cs

@@ -87,7 +87,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/Select.cs

@@ -118,7 +118,7 @@ namespace System.Linq
                 return new SelectEnumerableAsyncIterator<TSource, TResult1>(_source, CombineSelectors(_selector, selector));
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -174,7 +174,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -289,7 +289,7 @@ namespace System.Linq
                 return Task.FromResult(res);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -350,7 +350,7 @@ namespace System.Linq
                 return new SelectEnumerableAsyncIteratorWithTask<TSource, TResult1>(_source, CombineSelectors(_selector, selector));
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -406,7 +406,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -531,7 +531,7 @@ namespace System.Linq
                 return res;
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/SelectMany.cs

@@ -142,7 +142,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -233,7 +233,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -330,7 +330,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -428,7 +428,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -527,7 +527,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -633,7 +633,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -733,7 +733,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -831,7 +831,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/SkipLast.cs

@@ -66,7 +66,7 @@ namespace System.Linq
             }
 
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/SkipWhile.cs

@@ -84,7 +84,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -161,7 +161,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -243,7 +243,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -320,7 +320,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/TakeLast.cs

@@ -59,7 +59,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/TakeWhile.cs

@@ -83,7 +83,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -148,7 +148,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -217,7 +217,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -282,7 +282,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/ToAsyncEnumerable.cs

@@ -152,7 +152,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -221,7 +221,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -325,7 +325,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/Union.cs

@@ -110,7 +110,7 @@ namespace System.Linq
                 return false;
             }
 
-            protected sealed override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected sealed override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/Where.cs

@@ -114,7 +114,7 @@ namespace System.Linq
                 return new WhereEnumerableAsyncIterator<TSource>(_source, CombinePredicates(_predicate, predicate));
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -175,7 +175,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -244,7 +244,7 @@ namespace System.Linq
                 return new WhereEnumerableAsyncIteratorWithTask<TSource>(_source, CombinePredicates(_predicate, predicate));
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -305,7 +305,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {
@@ -378,7 +378,7 @@ namespace System.Linq
                 return new WhereSelectEnumerableAsyncIterator<TSource, TResult1>(_source, _predicate, CombineSelectors(_selector, selector));
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 switch (state)
                 {

Ix.NET/Source/System.Linq.Async/System/Linq/Operators/Zip.cs

@@ -77,7 +77,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 // REVIEW: Earlier versions of this operator performed concurrent MoveNextAsync calls, which isn't a great default and
                 //         results in an unexpected source of concurrency. However, a concurrent Zip may be a worthy addition to the
@@ -149,7 +149,7 @@ namespace System.Linq
                 await base.DisposeAsync().ConfigureAwait(false);
             }
 
-            protected override async ValueTask<bool> MoveNextCore(CancellationToken cancellationToken)
+            protected override async ValueTask<bool> MoveNextCore()
             {
                 // REVIEW: Earlier versions of this operator performed concurrent MoveNextAsync calls, which isn't a great default and
                 //         results in an unexpected source of concurrency. However, a concurrent Zip may be a worthy addition to the