Prep for updated release.

Author: Oren (electricessence)

source/Array/InterlockedArrayObjectPool.cs

@@ -60,7 +60,7 @@ protected override bool Receive(T item)
 		{
 			// We missed getting the first item or it wasn't there.
 			var elements = Pool;
-			if (elements == null) return null;
+			if (elements is null) return null;
 
 			var len = elements.Length;
 			for (var i = 0; i < MaxStored && i < len; i++)

source/Collection/CollectionWrapperObjectPool.cs

@@ -41,7 +41,7 @@ protected override bool Receive(T item)
 
 			var p = Pool;
 			var item = p?.FirstOrDefault();
-			if (item == null) return null;
+			if (item is null) return null;
 			/* Removing the first item is typically horribly inefficient but we can't make assumptions about the implementation here.
 				 * It's a trade off between potentially iterating the entire collection before removing the last item, or relying on the underlying implementation.
 				 * This implementation is in place for reference more than practice.  Sub classes should override. */

source/Collection/ConcurrentQueueObjectPool.cs

@@ -26,15 +26,15 @@ public ConcurrentQueueObjectPool(Func<T> factory, int capacity = DEFAULT_CAPACIT
 		protected override bool Receive(T item)
 		{
 			var p = Pool;
-			if (p == null) return false;
+			if (p is null) return false;
 			p.Enqueue(item); // It's possible that the count could exceed MaxSize here, but the risk is negligble as a few over the limit won't hurt.
 			return true;
 		}
 
 		protected override T? TryRelease()
 		{
 			var p = Pool;
-			if (p == null) return null;
+			if (p is null) return null;
 			p.TryDequeue(out var item);
 			return item;
 		}

source/Collection/ConcurrentStackObjectPool.cs

@@ -21,15 +21,15 @@ public ConcurrentStackObjectPool(Func<T> factory, int capacity = DEFAULT_CAPACIT
 		protected override bool Receive(T item)
 		{
 			var p = Pool;
-			if (p == null) return false;
+			if (p is null) return false;
 			p.Push(item); // It's possible that the count could exceed MaxSize here, but the risk is negligble as a few over the limit won't hurt.
 			return true;
 		}
 
 		protected override T? TryRelease()
 		{
 			var p = Pool;
-			if (p == null) return null;
+			if (p is null) return null;
 			p.TryPop(out var item);
 			return item;
 		}

source/IObjectPool.cs

@@ -73,7 +73,7 @@ public static void Give<T>(this IObjectPool<T> target, IEnumerable<T> items)
 			if (target is null) throw new ArgumentNullException(nameof(target));
 			Contract.EndContractBlock();
 
-			if (items == null) return;
+			if (items is null) return;
 			foreach (var i in items)
 				target.Give(i);
 		}
@@ -149,7 +149,7 @@ public static async ValueTask RentAsync<T>(this IObjectPool<T> source, Func<T, V
 			Contract.EndContractBlock();
 
 			var item = source.Take();
-			await action(item);
+			await action(item).ConfigureAwait(false);
 			source.Give(item);
 		}
 
@@ -168,7 +168,7 @@ public static async ValueTask<TResult> RentAsync<T, TResult>(this IObjectPool<T>
 			Contract.EndContractBlock();
 
 			var item = source.Take();
-			var result = await action(item);
+			var result = await action(item).ConfigureAwait(false);
 			source.Give(item);
 			return result;
 		}

source/ObjectPoolBase.cs

@@ -26,7 +26,7 @@ protected ObjectPoolBase(Func<T> factory, Action<T>? recycler, Action<T>? dispos
 		/// Total number of items in the pool.
 		/// </summary>
 		public abstract int Count { get; }
-		protected int PocketCount => Pocket.Value == null ? 0 : 1;
+		protected int PocketCount => Pocket.Value is null ? 0 : 1;
 
 		protected readonly Action<T>? Recycler; // Before entering the pool.
 		protected readonly Action<T>? OnDiscarded; // When not able to be used.
@@ -124,7 +124,7 @@ protected override void OnBeforeDispose()
 
 		protected override void OnDispose()
 		{
-			if (OnDiscarded == null) return;
+			if (OnDiscarded is null) return;
 
 			T? d;
 			while ((d = TryRelease()) != null) OnDiscarded(d);

source/Open.Disposable.ObjectPools.csproj

@@ -2,15 +2,14 @@
 
 	<PropertyGroup>
 		<TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
+		<LangVersion>latest</LangVersion>
+		<Nullable>enable</Nullable>
 		<RootNamespace>Open.Disposable</RootNamespace>
-		<Description>
-			A set of variations on ObjectPool implementations with differing underlying collections.
-
-			Part of the "Open" set of libraries.
-		</Description>
 		<Authors>electricessence</Authors>
-		<Company>electricessence</Company>
-		<Product />
+		<Description>A set of variations on ObjectPool implementations with differing underlying collections.
+
+Part of the "Open" set of libraries.
+</Description>
 		<Copyright>https://github.com/electricessence/Open.Disposable.ObjectPools/blob/master/LISCENSE.md</Copyright>
 		<PackageLicenseUrl></PackageLicenseUrl>
 		<PackageProjectUrl>https://github.com/electricessence/Open.Disposable.ObjectPools/</PackageProjectUrl>
@@ -21,7 +20,6 @@
 		<Version>2.4.1</Version>
 		<PackageReleaseNotes></PackageReleaseNotes>
 		<PackageLicenseExpression>MIT</PackageLicenseExpression>
-		<Nullable>enable</Nullable>
 	</PropertyGroup>
 
 	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
@@ -43,13 +41,13 @@
 	</ItemGroup>
 
 	<ItemGroup>
+		<PackageReference Include="Open.Disposable" Version="2.4.0" />
+		<PackageReference Include="Open.Threading.Tasks" Version="1.2.0" />
+		<PackageReference Include="System.Threading.Channels" Version="4.7.1" />
 		<PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.0.0">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="Open.Disposable" Version="2.3.0" />
-		<PackageReference Include="Open.Threading.Tasks" Version="1.1.3" />
-		<PackageReference Include="System.Threading.Channels" Version="4.7.1" />
 	</ItemGroup>
 
 </Project>

source/Recycler.cs

@@ -30,7 +30,7 @@ async Task Processor(Action<T> recycleFunction)
 					Target?.Give(item);
 				}
 			}
-			while (await bin.Reader.WaitToReadAsync());
+			while (await bin.Reader.WaitToReadAsync().ConfigureAwait(false));
 		}
 
 		internal Recycler(

source/RecyclerBase.cs

@@ -18,7 +18,7 @@ protected RecyclerBase(
 			IObjectPool<T> target,
 			Action<T> recycleFunction)
 		{
-			if (recycleFunction == null) throw new ArgumentNullException(nameof(recycleFunction));
+			if (recycleFunction is null) throw new ArgumentNullException(nameof(recycleFunction));
 			Target = target ?? throw new ArgumentNullException(nameof(target));
 			Contract.EndContractBlock();
 

source/ReferenceContainer.cs

@@ -37,7 +37,7 @@ public bool SetIfNull(T value)
 		}
 
 		public bool TrySave(T value)
-			=> _value == null
+			=> _value is null
 				&& null == Interlocked.CompareExchange(ref _value, value, null);
 
 		public T? TryRetrieve()