enable nullable

Directory.Build.props

@@ -0,0 +1,12 @@
+<Project>
+  <PropertyGroup>
+    <LangVersion>latest</LangVersion>
+    <TreatWarningsAsErrors>True</TreatWarningsAsErrors>
+    <SignAssembly>true</SignAssembly>
+    <AssemblyOriginatorKeyFile>../../assets/Serilog.snk</AssemblyOriginatorKeyFile>
+    <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
+    <CheckEolTargetFramework>false</CheckEolTargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+</Project>

global.json

@@ -1,7 +1,7 @@
 {
   "sdk": {
     "allowPrerelease": false,
-    "version": "5.0.201",
+    "version": "6.0.401",
     "rollForward": "latestFeature"
   }
 }

samples/Sample/Controllers/HomeController.cs

@@ -1,47 +1,40 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
+using System.Diagnostics;
 using Microsoft.AspNetCore.Mvc;
-using Microsoft.Extensions.Logging;
 using Sample.Models;
 using Serilog;
 
-namespace Sample.Controllers
+namespace Sample.Controllers;
+
+public class HomeController : Controller
 {
-    public class HomeController : Controller
+    static int _callCount;
+
+    readonly ILogger<HomeController> _logger;
+    readonly IDiagnosticContext _diagnosticContext;
+
+    public HomeController(ILogger<HomeController> logger, IDiagnosticContext diagnosticContext)
+    {
+        _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+        _diagnosticContext = diagnosticContext ?? throw new ArgumentNullException(nameof(diagnosticContext));
+    }
+
+    public IActionResult Index()
+    {
+        _logger.LogInformation("Hello, world!");
+
+        _diagnosticContext.Set("IndexCallCount", Interlocked.Increment(ref _callCount));
+
+        return View();
+    }
+
+    public IActionResult Privacy()
+    {
+        throw new InvalidOperationException("Something went wrong.");
+    }
+
+    [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+    public IActionResult Error()
     {
-        static int _callCount;
-
-        readonly ILogger<HomeController> _logger;
-        readonly IDiagnosticContext _diagnosticContext;
-
-        public HomeController(ILogger<HomeController> logger, IDiagnosticContext diagnosticContext)
-        {
-            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
-            _diagnosticContext = diagnosticContext ?? throw new ArgumentNullException(nameof(diagnosticContext));
-        }
-
-        public IActionResult Index()
-        {
-            _logger.LogInformation("Hello, world!");
-
-            _diagnosticContext.Set("IndexCallCount", Interlocked.Increment(ref _callCount));
-
-            return View();
-        }
-
-        public IActionResult Privacy()
-        {
-            throw new InvalidOperationException("Something went wrong.");
-        }
-
-        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
-        public IActionResult Error()
-        {
-            return View(new ErrorViewModel {RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier});
-        }
+        return View(new ErrorViewModel {RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier});
     }
-}
+}

samples/Sample/Models/ErrorViewModel.cs

@@ -1,11 +1,8 @@
-using System;
+namespace Sample.Models;
 
-namespace Sample.Models
+public class ErrorViewModel
 {
-    public class ErrorViewModel
-    {
-        public string RequestId { get; set; }
+    public string? RequestId { get; set; }
 
-        public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
-    }
+    public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
 }

samples/Sample/Program.cs

@@ -1,53 +1,44 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Hosting;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.Hosting;
-using Microsoft.Extensions.Logging;
 using Serilog;
 
-namespace Sample
+namespace Sample;
+
+public static class Program
 {
-    public static class Program
+    public static int Main(string[] args)
     {
-        public static int Main(string[] args)
-        {
-            // The initial "bootstrap" logger is able to log errors during start-up. It's completely replaced by the
-            // logger configured in `UseSerilog()` below, once configuration and dependency-injection have both been
-            // set up successfully.
-            Log.Logger = new LoggerConfiguration()
-                .WriteTo.Console()
-                .CreateBootstrapLogger();
-
-            Log.Information("Starting up!");
+        // The initial "bootstrap" logger is able to log errors during start-up. It's completely replaced by the
+        // logger configured in `UseSerilog()` below, once configuration and dependency-injection have both been
+        // set up successfully.
+        Log.Logger = new LoggerConfiguration()
+            .WriteTo.Console()
+            .CreateBootstrapLogger();
 
-            try
-            {
-                CreateHostBuilder(args).Build().Run();
+        Log.Information("Starting up!");
 
-                Log.Information("Stopped cleanly");
-                return 0;
-            }
-            catch (Exception ex)
-            {
-                Log.Fatal(ex, "An unhandled exception occured during bootstrapping");
-                return 1;
-            }
-            finally
-            {
-                Log.CloseAndFlush();
-            }
-        }
+        try
+        {
+            CreateHostBuilder(args).Build().Run();
 
-        public static IHostBuilder CreateHostBuilder(string[] args) =>
-            Host.CreateDefaultBuilder(args)
-                .UseSerilog((context, services, configuration) => configuration
-                    .ReadFrom.Configuration(context.Configuration)
-                    .ReadFrom.Services(services)
-                    .Enrich.FromLogContext()
-                    .WriteTo.Console())
-                .ConfigureWebHostDefaults(webBuilder => { webBuilder.UseStartup<Startup>(); });
+            Log.Information("Stopped cleanly");
+            return 0;
+        }
+        catch (Exception ex)
+        {
+            Log.Fatal(ex, "An unhandled exception occured during bootstrapping");
+            return 1;
+        }
+        finally
+        {
+            Log.CloseAndFlush();
+        }
     }
-}
+
+    public static IHostBuilder CreateHostBuilder(string[] args) =>
+        Host.CreateDefaultBuilder(args)
+            .UseSerilog((context, services, configuration) => configuration
+                .ReadFrom.Configuration(context.Configuration)
+                .ReadFrom.Services(services)
+                .Enrich.FromLogContext()
+                .WriteTo.Console())
+            .ConfigureWebHostDefaults(webBuilder => { webBuilder.UseStartup<Startup>(); });
+}

samples/Sample/Sample.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net5.0</TargetFramework>
+        <TargetFramework>net6.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>

samples/Sample/Startup.cs

@@ -1,64 +1,53 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Builder;
-using Microsoft.AspNetCore.Hosting;
-using Microsoft.AspNetCore.HttpsPolicy;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Hosting;
 using Serilog;
 
-namespace Sample
+namespace Sample;
+
+public class Startup
 {
-    public class Startup
+    public Startup(IConfiguration configuration)
     {
-        public Startup(IConfiguration configuration)
-        {
-            Configuration = configuration;
-        }
+        Configuration = configuration;
+    }
 
-        public IConfiguration Configuration { get; }
+    public IConfiguration Configuration { get; }
+
+    // This method gets called by the runtime. Use this method to add services to the container.
+    public void ConfigureServices(IServiceCollection services)
+    {
+        services.AddControllersWithViews();
+    }
 
-        // This method gets called by the runtime. Use this method to add services to the container.
-        public void ConfigureServices(IServiceCollection services)
+    // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
+    public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+    {
+        if (env.IsDevelopment())
         {
-            services.AddControllersWithViews();
+            app.UseDeveloperExceptionPage();
         }
-
-        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
-        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+        else
         {
-            if (env.IsDevelopment())
-            {
-                app.UseDeveloperExceptionPage();
-            }
-            else
-            {
-                app.UseExceptionHandler("/Home/Error");
-                // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
-                app.UseHsts();
-            }
+            app.UseExceptionHandler("/Home/Error");
+            // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
+            app.UseHsts();
+        }
 
-            app.UseHttpsRedirection();
-            app.UseStaticFiles();
-
-            // Write streamlined request completion events, instead of the more verbose ones from the framework.
-            // To use the default framework request logging instead, remove this line and set the "Microsoft"
-            // level in appsettings.json to "Information".
-            app.UseSerilogRequestLogging();
+        app.UseHttpsRedirection();
+        app.UseStaticFiles();
 
-            app.UseRouting();
+        // Write streamlined request completion events, instead of the more verbose ones from the framework.
+        // To use the default framework request logging instead, remove this line and set the "Microsoft"
+        // level in appsettings.json to "Information".
+        app.UseSerilogRequestLogging();
 
-            app.UseAuthorization();
+        app.UseRouting();
 
-            app.UseEndpoints(endpoints =>
-            {
-                endpoints.MapControllerRoute(
-                    name: "default",
-                    pattern: "{controller=Home}/{action=Index}/{id?}");
-            });
-        }
+        app.UseAuthorization();
+
+        app.UseEndpoints(endpoints =>
+        {
+            endpoints.MapControllerRoute(
+                name: "default",
+                pattern: "{controller=Home}/{action=Index}/{id?}");
+        });
     }
 }

serilog-aspnetcore.sln

@@ -17,6 +17,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "assets", "assets", "{9C21B9
 		README.md = README.md
 		assets\Serilog.snk = assets\Serilog.snk
 		Setup.ps1 = Setup.ps1
+		Directory.Build.props = Directory.Build.props
 	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Serilog.AspNetCore", "src\Serilog.AspNetCore\Serilog.AspNetCore.csproj", "{0549D23F-986B-4FB2-BACE-16FD7A7BC9EF}"