#371 Standardize use of "is" keyword.

en-US_User.dic

@@ -195,6 +195,7 @@ pre
 prefixdelimiter
 prefixtoken
 prefixword
+prepended
 prerelease
 psake
 quantized

src/RapidField.SolidInstruments.Collections/BinaryTreeNode.cs

@@ -120,7 +120,7 @@ private BinaryTreeNode(T value, BinaryTreeNode<T> leftChild, BinaryTreeNode<T> r
         {
             if (leftChild is not null)
             {
-                if (AddChild(leftChild) == false)
+                if (AddChild(leftChild) is false)
                 {
                     throw new ArgumentException("The specified left child is invalid.", nameof(leftChild));
                 }
@@ -132,7 +132,7 @@ private BinaryTreeNode(T value, BinaryTreeNode<T> leftChild, BinaryTreeNode<T> r
 
             if (rightChild is not null)
             {
-                if (AddChild(rightChild) == false)
+                if (AddChild(rightChild) is false)
                 {
                     throw new ArgumentException("The specified right child is invalid.", nameof(rightChild));
                 }

src/RapidField.SolidInstruments.Collections/CircularBuffer.cs

@@ -164,7 +164,7 @@ public void Write(T element)
         /// </exception>
         public void Write(T element, Boolean permitOverwrite)
         {
-            if (permitOverwrite == false && Length == Capacity)
+            if (permitOverwrite is false && Length == Capacity)
             {
                 throw new InvalidOperationException("A write operation failed because it would have overwritten an unread element in the buffer.");
             }

src/RapidField.SolidInstruments.Collections/Extensions/ITreeNodeExtensions.cs

@@ -54,7 +54,7 @@ public static void TraverseDown<T>(this ITreeNode<T> target, Action<ITreeNode<T>
             action.RejectIf().IsNull(nameof(action));
             predicate.RejectIf().IsNull(nameof(predicate));
 
-            if (predicate(target) == false)
+            if (predicate(target) is false)
             {
                 return;
             }
@@ -120,7 +120,7 @@ public static TResult TraverseDown<T, TResult>(this ITreeNode<T> target, Func<IT
             function.RejectIf().IsNull(nameof(function));
             predicate.RejectIf().IsNull(nameof(predicate));
 
-            if (predicate(target) == false)
+            if (predicate(target) is false)
             {
                 return default;
             }
@@ -176,7 +176,7 @@ public static void TraverseUp<T>(this ITreeNode<T> target, Action<ITreeNode<T>>
             action.RejectIf().IsNull(nameof(action));
             predicate.RejectIf().IsNull(nameof(predicate));
 
-            if (predicate(target) == false)
+            if (predicate(target) is false)
             {
                 return;
             }
@@ -244,7 +244,7 @@ public static TResult TraverseUp<T, TResult>(this ITreeNode<T> target, Func<ITre
             function.RejectIf().IsNull(nameof(function));
             predicate.RejectIf().IsNull(nameof(predicate));
 
-            if (predicate(target) == false)
+            if (predicate(target) is false)
             {
                 return default;
             }

src/RapidField.SolidInstruments.Collections/PinnedMemory.cs

@@ -254,7 +254,7 @@ protected override void Dispose(Boolean disposing)
         {
             try
             {
-                if (IsDisposed == false && OverwriteWithZerosOnDispose)
+                if (IsDisposed is false && OverwriteWithZerosOnDispose)
                 {
                     OverwriteWithZeros(this);
                 }

src/RapidField.SolidInstruments.Collections/ReadOnlyPinnedMemory.cs

@@ -209,7 +209,7 @@ protected override void Dispose(Boolean disposing)
         {
             try
             {
-                if (IsDisposed == false)
+                if (IsDisposed is false)
                 {
                     if (HandleIsActive)
                     {

src/RapidField.SolidInstruments.Collections/TreeNode.cs

@@ -110,7 +110,7 @@ public TreeNode(T value, IEnumerable<TChildNode> children)
         /// </exception>
         public void Destroy()
         {
-            if (IsRoot == false)
+            if (IsRoot is false)
             {
                 ((TreeNode<T>)Parent).RemoveChild(this);
             }
@@ -200,7 +200,7 @@ public TreeNode(T value, IEnumerable<TreeNode<T>> children)
                 {
                     throw new ArgumentException("The specified collection contains a null node.", nameof(children));
                 }
-                else if (AddChild(node, true) == false)
+                else if (AddChild(node, true) is false)
                 {
                     throw new ArgumentException("The specified collection contains a duplicate or invalid node.", nameof(children));
                 }
@@ -340,7 +340,7 @@ public IEnumerable<ITreeNode<T>> Children
         /// <remarks>
         /// When true, <see cref="Children" /> is an empty collection.
         /// </remarks>
-        public Boolean IsLeaf => ChildrenReference.Any() == false;
+        public Boolean IsLeaf => ChildrenReference.Any() is false;
 
         /// <summary>
         /// Gets a value indicating whether or not the current <see cref="TreeNode{T}" /> is a root node (a node without a parent).

src/RapidField.SolidInstruments.Command.Autofac/AutofacCommandHandlerModule.cs

@@ -139,7 +139,7 @@ protected sealed override void Configure(ContainerBuilder configurator, IConfigu
         /// Gets the collection of non-abstract public class types defined by <see cref="TargetAssembly" /> that are registered by
         /// the current <see cref="AutofacCommandHandlerModule{TBaseCommandHandler}" />.
         /// </summary>
-        public IEnumerable<Type> MatchedTypes => TargetAssembly.GetTypes().Where(type => type.IsPublic && type.IsClass && type.IsAbstract == false && BaseCommandHandlerType.IsAssignableFrom(type));
+        public IEnumerable<Type> MatchedTypes => TargetAssembly.GetTypes().Where(type => type.IsPublic && type.IsClass && type.IsAbstract is false && BaseCommandHandlerType.IsAssignableFrom(type));
 
         /// <summary>
         /// Gets the assembly from which command handler types are registered by the current

src/RapidField.SolidInstruments.Command.DotNetNative/DotNetNativeCommandHandlerModule.cs

@@ -139,7 +139,7 @@ protected sealed override void Configure(ServiceCollection configurator, IConfig
         /// Gets the collection of non-abstract public class types defined by <see cref="TargetAssembly" /> that are registered by
         /// the current <see cref="DotNetNativeCommandHandlerModule{TBaseCommandHandler}" />.
         /// </summary>
-        public IEnumerable<Type> MatchedTypes => TargetAssembly.GetTypes().Where(type => type.IsPublic && type.IsClass && type.IsAbstract == false && BaseCommandHandlerType.IsAssignableFrom(type));
+        public IEnumerable<Type> MatchedTypes => TargetAssembly.GetTypes().Where(type => type.IsPublic && type.IsClass && type.IsAbstract is false && BaseCommandHandlerType.IsAssignableFrom(type));
 
         /// <summary>
         /// Gets the assembly from which command handler types are registered by the current

src/RapidField.SolidInstruments.Command/Command.cs

@@ -60,7 +60,7 @@ public Guid CorrelationIdentifier
         {
             get
             {
-                if (CorrelationIdentifierField.HasValue == false)
+                if (CorrelationIdentifierField.HasValue is false)
                 {
                     CorrelationIdentifierField = Guid.NewGuid();
                 }
@@ -143,7 +143,7 @@ public Guid CorrelationIdentifier
         {
             get
             {
-                if (CorrelationIdentifierField.HasValue == false)
+                if (CorrelationIdentifierField.HasValue is false)
                 {
                     CorrelationIdentifierField = Guid.NewGuid();
                 }

src/RapidField.SolidInstruments.Core/ArgumentValidation/ValidationTargetIEnumerableExtensions.cs

@@ -97,11 +97,11 @@ public static class ValidationTargetIEnumerableExtensions
         internal static ValidationResult<TArgument> RejectIfIsNullOrEmpty<TArgument, T>(this ValidationTarget<TArgument> target, String targetParameterName)
             where TArgument : IEnumerable<T>
         {
-            if (target.Argument == null)
+            if (target.Argument is null)
             {
                 throw new ArgumentNullException(targetParameterName);
             }
-            else if (target.Argument.Any() == false)
+            else if (target.Argument.Any() is false)
             {
                 throw new ArgumentEmptyException(targetParameterName);
             }