AnthonyGiretti

using Microsoft.AspNetCore.JsonPatch;
using System.Text.Json;

var patch = JsonSerializer.Deserialize<JsonPatchDocument<Product>>(patchJson);
patch!.ApplyTo(product);

AnthonyGiretti

using System.Text.Json.Serialization;

// Giving you fine-grained control over how cycles and references are handled at the source generation leve
[JsonSourceGenerationOptions(ReferenceHandler = JsonKnownReferenceHandler.Preserve)]
[JsonSerializable(typeof(Employee))]
internal partial class AppJsonContext : JsonSerializerContext { }

AnthonyGiretti

using System.Text.Json.Serialization;

// This would throw at runtime if Employee has circular references
[JsonSerializable(typeof(Employee))]
internal partial class AppJsonContext : JsonSerializerContext { }

AnthonyGiretti

using System.Text.Json;

var options = JsonSerializerOptions.Strict;
var user = JsonSerializer.Deserialize<LoginRequest>(jsonPayload, options);

AnthonyGiretti

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

var options = new JsonSerializerOptions
{
    AllowDuplicateProperties = false,
    UnmappedMemberHandling = JsonUnmappedMemberHandling.Disallow,
    PropertyNameCaseInsensitive = false,
    RespectNullableAnnotations = true,
    RespectRequiredConstructorParameters = true

AnthonyGiretti

using System; 
using System.Security.Cryptography; 

// 1) Server generates a KEM key pair 
using var serverKey = MLKEM.GenerateKey(MLKEMAlgorithm.MLKEM768); 

// Export public key 
string serverPublicPem = serverKey.ExportSubjectPublicKeyInfoPem(); 

// 2) Client imports public key 

AnthonyGiretti

using System; 
using System.Security.Cryptography; 

byte[] data = "critical firmware update"u8.ToArray(); 

// Generate SLH-DSA key 
using var signingKey = SLHDSA.GenerateKey(SLHDSAAlgorithm.SLHDSA128S);

// Sign the data 
byte[] signature = signingKey.SignData(data); 

AnthonyGiretti

using System.Net.Http;

using var client = new HttpClient();
string html = await client.GetStringAsync("https://example.com"); // Uses TLS 1.3 on macOS automatically

AnthonyGiretti

using System.Net.WebSockets;
using System.IO;

// Client side, streaming supported over WebSockets
var client = new ClientWebSocket();
await client.ConnectAsync(new Uri("wss://example.com/upload"), CancellationToken.None);

using var wsStream = WebSocketStream.Create(client);
await using var fileStream = File.OpenRead("bigfile.zip");

AnthonyGiretti

using System;
using System.Security.Cryptography;

byte[] data = "hello PQC"u8.ToArray();

// 1) Generate a post-quantum signature key (ML-DSA)
using var signingKey = MLDSA.GenerateKey(MLDSAAlgorithm.MLDSA65);

// 2) Sign the data
byte[] signature = signingKey.SignData(data);