"Expression-Bodied Members"

class MyClass {
	// Age is a read-only property; the code to the right of the '=>' is evaluated every time the property is invoked and the result of the expression is returned
	public int Age => (int) (DateTime.Now - new DateTime(1990, 01, 19)).TotalYears;
	
	// PrintAge is a method, the code to the right of the '=>' is executed when the function is invoked
	public void PrintAge() => Console.WriteLine(Age);
}


Code snippet taken from "Two Decades of C#: A Reference - C# 5 and C# 6".