Markdium-

Markdium-text.txt

public sealed class Singleton
{
    // Because Singleton's constructor is private, we must explicitly
    // give the Lazy a delegate for creating the Singleton.
    static readonly Lazy instanceHolder =
        new Lazy(() => new Singleton());

    Singleton()
    {
        // Explicit private constructor to prevent default public constructor.
        ...
    }

    public static Singleton Instance => instanceHolder.Value;
}