RecordsRecap.cs

using System;

var p = new Person("Foo", "Bar", 42);
// The following line does not work because records are immutable
// p.LastName = "Baz";
Console.WriteLine(p.FirstName);

var b = new Product("Bike", "Mountainbike", 499m);
Console.WriteLine(b.Name);

// Usual syntax, results in record classes (=reference types)
record Person(string FirstName, string LastName, int Age);

// New syntax "record class"
record class Product(string Category, string Name, decimal Price);