A base class to implement singleton pattern in C#

SingletonBase.cs

/// <summary>
/// A base class that implements a singleton pattern.
/// <example>
/// Declaring a singleton class:
/// <code>
/// public class Singleton : SingletonBase&lt;Singleton&gt;
/// {
/// 	public int Number { get; set; }
/// }
/// </code>
/// Getting an instance:
/// <code>
/// var instance = Singleton.Instance;
/// </code>
/// </example>
/// </summary>
/// <typeparam name="T"></typeparam>
public abstract class SingletonBase<T> where T : new()
{
	private static readonly Lazy<T> LazyInstance = new(() => new T());
	public static T Instance => LazyInstance.Value;
}