davidfowl

using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.Loader;
using System.Threading;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;

davidfowl

using Microsoft.Extensions.Configuration.Memory;

var builder = WebApplication.CreateBuilder(args);

builder.Configuration.AddConfigurationDefaults(new()
{
    { "request:timeout", "60" }
});

var app = builder.Build();

davidfowl

public void ConfigureServices(IServiceCollection services)
{
    services.AddHttpClient("myclient");

    // Global header propagation for any HttpClient that comes from HttpClientFactory
    services.AddHeaderPropagation(options =>
    {
        options.HeaderNames.Add("Correlation-Id");
    });
}

davidfowl

using System.Text.Json;
using System.Text.Json.Serialization;

var data = new[]
{
    "Hello"u8.ToArray(),
    "Twitter"u8.ToArray(),
    "Optimize"u8.ToArray()
}
.Select(m => new Message(m)).ToArray();

davidfowl

using System.Data.Common;
using System.Runtime.CompilerServices;
using System.Text;
using Npgsql;

GetCatalogItemsSql(null, null, null, 10);

void GetCatalogItemsSql(int? catalogBrandId, int? before, int? after, int pageSize)
{
    // This looks like it would be susceptible to SQL injection, but it's not.

davidfowl

using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.WebUtilities;
using ProtoBuf;

var builder = WebApplication.CreateBuilder(args);
var app = builder.Build();

app.MapGet("/", () => "POST a protobuf message to the /");
app.MapPost("/", (Proto<Person> p) => Results.Extensions.Protobuf(p.Item))
    .Accepts<Person>("application/protobuf");

davidfowl

public static class ConfigurationBinderExtensions
{
    public static ValidateOptionsResult BindAndValidate<TOptions>(this IConfiguration configuration, TOptions instance) where TOptions : class, new()
    {
        configuration.Bind(instance);
        var validateOptions = new DataAnnotationValidateOptions<TOptions>(Options.DefaultName);
        return validateOptions.Validate(Options.DefaultName, instance);
    }
}

davidfowl

using System.Buffers;
using System.Net.WebSockets;

var builder = WebApplication.CreateBuilder(args);
var app = builder.Build();

app.MapGet("/ws", async (HttpContext context) =>
{
    const int MaxMessageSize = 1024 * 1024;

davidfowl

using System.ComponentModel.DataAnnotations;
using Microsoft.EntityFrameworkCore;

var builder = WebApplication.CreateBuilder(args);
var app = builder.Build();

app.MapPost("/todos", async (CreateTodo createTodo, TodoDb db) =>
{
    // This is where the implicit conversion comes in
    db.Todos.Add(createTodo);

davidfowl

using System.IO.Pipelines;
using System.Net;
using System.Net.Security;
using Microsoft.AspNetCore.Connections;
using Microsoft.AspNetCore.Connections.Features;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Server.Kestrel.Core;

var builder = WebApplication.CreateBuilder(args);