PR feedback

Author: pranavkm

src/Mvc/Mvc.Core/src/Controllers/ControllerBinderDelegateProvider.cs

@@ -57,8 +57,17 @@ internal static class ControllerBinderDelegateProvider
                 return null;
             }
 
-            var parameters = actionDescriptor.Parameters as List<ParameterDescriptor> ?? actionDescriptor.Parameters.ToList();
-            var properties = actionDescriptor.BoundProperties as List<ParameterDescriptor> ?? actionDescriptor.BoundProperties.ToList();
+            var parameters = actionDescriptor.Parameters switch
+            {
+                List<ParameterDescriptor> list => list.ToArray(),
+                _ => actionDescriptor.Parameters.ToArray()
+            };
+
+            var properties = actionDescriptor.BoundProperties switch
+            {
+                List<ParameterDescriptor> list => list.ToArray(),
+                _ => actionDescriptor.BoundProperties.ToArray()
+            };
 
             return Bind;
 
@@ -72,8 +81,7 @@ async Task Bind(ControllerContext controllerContext, object controller, Dictiona
 
                 Debug.Assert(valueProvider is not null);
 
-                var parameterCount = parameters.Count;
-                for (var i = 0; i < parameterCount; i++)
+                for (var i = 0; i < parameters.Length; i++)
                 {
                     var parameter = parameters[i];
                     var bindingInfo = parameterBindingInfo![i];
@@ -99,8 +107,7 @@ async Task Bind(ControllerContext controllerContext, object controller, Dictiona
                     }
                 }
 
-                var propertyCount = properties.Count;
-                for (var i = 0; i < propertyCount; i++)
+                for (var i = 0; i < properties.Length; i++)
                 {
                     var property = properties[i];
                     var bindingInfo = propertyBindingInfo![i];

src/Mvc/Mvc.TagHelpers/src/AttributeMatcher.cs

@@ -49,11 +49,11 @@ public static bool TryDetermineMode<TMode>(
             var allAttributes = context.AllAttributes;
             // Read interface .Count once rather than per iteration
             var allAttributesCount = allAttributes.Count;
-            foreach (var modeInfo in modeInfos.AsSpan())
+            foreach (var modeInfo in modeInfos)
             {
                 var requiredAttributes = modeInfo.Attributes;
                 // If there are fewer attributes present than required, one or more of them must be missing.
-                if (allAttributesCount >= requiredAttributes.Length && 
+                if (allAttributesCount >= requiredAttributes.Length &&
                     !HasMissingAttributes(allAttributes, requiredAttributes) &&
                     compare(result, modeInfo.Mode) <= 0)
                 {

src/Mvc/Mvc.ViewFeatures/src/DefaultDisplayTemplates.cs

@@ -212,7 +212,7 @@ public static IHtmlContent ObjectTemplate(IHtmlHelper htmlHelper)
             var viewBufferScope = serviceProvider.GetRequiredService<IViewBufferScope>();
 
             var content = new HtmlContentBuilder(modelExplorer.Metadata.Properties.Count);
-            foreach (var propertyExplorer in modelExplorer.PropertiesInternal.AsSpan())
+            foreach (var propertyExplorer in modelExplorer.PropertiesInternal)
             {
                 var propertyMetadata = propertyExplorer.Metadata;
                 if (!ShouldShow(propertyExplorer, templateInfo))

src/Mvc/Mvc.ViewFeatures/src/DefaultEditorTemplates.cs

@@ -255,7 +255,7 @@ public static IHtmlContent ObjectTemplate(IHtmlHelper htmlHelper)
             var viewBufferScope = serviceProvider.GetRequiredService<IViewBufferScope>();
 
             var content = new HtmlContentBuilder(modelExplorer.Metadata.Properties.Count);
-            foreach (var propertyExplorer in modelExplorer.PropertiesInternal.AsSpan())
+            foreach (var propertyExplorer in modelExplorer.PropertiesInternal)
             {
                 var propertyMetadata = propertyExplorer.Metadata;
                 if (!ShouldShow(propertyExplorer, templateInfo))
@@ -476,26 +476,17 @@ public override void Write(char value)
 
             public override void Write(char[] buffer, int index, int count)
             {
-                if (count > 0)
-                {
-                    HasContent = true;
-                }
+                HasContent |= count > 0;
             }
 
             public override void Write(ReadOnlySpan<char> buffer)
             {
-                if (!buffer.IsEmpty)
-                {
-                    HasContent = true;
-                }
+                HasContent |= buffer.IsEmpty;
             }
 
             public override void Write(string value)
             {
-                if (!string.IsNullOrEmpty(value))
-                {
-                    HasContent = true;
-                }
+                HasContent |= !string.IsNullOrEmpty(value);
             }
         }