Merge pull request dotnet#208 from sammychinedu2ky/Rdg10

Sample for Rdg10

Author: Rick-Anderson

fundamentals/aot/diagnostics/Rdg10/Program.cs

@@ -0,0 +1,64 @@
+using System.Text.Json.Serialization;
+
+var builder = WebApplication.CreateSlimBuilder();
+var todos = new[]
+{
+    new Todo(1, "Write tests"),
+    new Todo(2, "Fix tests")
+};
+
+builder.Services.AddSingleton(todos);
+
+builder.Services.ConfigureHttpJsonOptions(options =>
+{
+    options.SerializerOptions.TypeInfoResolverChain.Insert(0, AppJsonSerializerContext.Default);
+});
+
+var app = builder.Build();
+
+
+app.MapGet("/v1/todos/{id?}", (int? Id, Todo[] todos) =>
+{
+    if (Id.HasValue)
+    {
+        return todos.ToList().Find(todoItem => todoItem.Id == Id)
+   is Todo todo
+       ? Results.Ok(todo)
+       : Results.NotFound();
+    }
+    else
+    {
+        return Results.Ok(todos);
+    }
+
+});
+
+app.Run();
+
+
+public class Todo
+{
+    public DateTime DueDate { get; }
+    public int Id { get; private set; }
+    public string Task { get; private set; }
+
+    // Additional constructors
+    public Todo(int Id, string Task, DateTime DueDate)
+
+    {
+        this.Id = Id;
+        this.Task = Task;
+        this.DueDate = DueDate;
+    }
+
+    public Todo(int Id, string Task)
+        : this(Id, Task, default)
+    {
+    }
+}
+
+[JsonSerializable(typeof(Todo[]))]
+internal partial class AppJsonSerializerContext : JsonSerializerContext
+{
+}
+

fundamentals/aot/diagnostics/Rdg10/Rdg10.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <InvariantGlobalization>true</InvariantGlobalization>
+    <PublishAot>true</PublishAot>
+  </PropertyGroup>
+
+</Project>