Code cleanup

CSharpInteractive.HostApi/BuildMessage.cs

@@ -29,27 +29,27 @@ namespace HostApi;
 public record BuildMessage(
     Output Output,
     BuildMessageState State,
-    IServiceMessage? ServiceMessage = default,
+    IServiceMessage? ServiceMessage = null,
     string Text = "",
     string ErrorDetails = "",
     string Code = "",
     string File = "",
     string Subcategory = "",
     string ProjectFile = "",
     string SenderName = "",
-    int? ColumnNumber = default,
-    int? EndColumnNumber = default,
-    int? LineNumber = default,
-    int? EndLineNumber = default,
-    DotNetMessageImportance? Importance = default)
+    int? ColumnNumber = null,
+    int? EndColumnNumber = null,
+    int? LineNumber = null,
+    int? EndLineNumber = null,
+    DotNetMessageImportance? Importance = null)
 {
     /// <summary>
     /// Contains the result of test execution when <see cref="State"/> is set to <see cref="BuildMessageState.TestResult"/>.
     /// </summary>
     public TestResult? TestResult =>
         ServiceMessage != null && TryGetTestState(ServiceMessage.Name, out var testState)
             ? CreateResult(CreateKey(ServiceMessage), ServiceMessage, testState)
-            : default(TestResult?);
+            : null;
 
     /// <inheritdoc />
     public override string ToString() => Text;

CSharpInteractive.HostApi/BuildStatistics.cs

@@ -14,12 +14,12 @@ namespace HostApi;
 [ExcludeFromCodeCoverage]
 [Target]
 public record BuildStatistics(
-    int Errors = default,
-    int Warnings = default,
-    int Tests = default,
-    int FailedTests = default,
-    int IgnoredTests = default,
-    int PassedTests = default)
+    int Errors = 0,
+    int Warnings = 0,
+    int Tests = 0,
+    int FailedTests = 0,
+    int IgnoredTests = 0,
+    int PassedTests = 0)
 {
     /// <summary>
     /// <c>True></c> if the statistic is empty, <c>False</c> if it contains any information.

CSharpInteractive.HostApi/DockerRun.cs

@@ -71,19 +71,19 @@ public partial record DockerRun(
     IEnumerable<(string host, string ip)> Hosts,
     string ExecutablePath = "",
     string WorkingDirectory = "",
-    int? CPUs = default,
+    int? CPUs = null,
     string EntryPoint = "",
     string HostName = "",
-    int? KernelMemory = default,
-    int? Memory = default,
-    string? Name = default,
+    int? KernelMemory = null,
+    int? Memory = null,
+    string? Name = null,
     string Network = "",
     string Platform = "",
-    bool? Privileged = default,
-    DockerPullType? Pull = default,
+    bool? Privileged = null,
+    DockerPullType? Pull = null,
     bool Quiet = false,
-    bool? ReadOnly = default,
-    bool? AutoRemove = default,
+    bool? ReadOnly = null,
+    bool? AutoRemove = null,
     string User = "",
     string ContainerWorkingDirectory = "",
     string EnvFile = "",