VDH
22 lines
613 B
C#
22 lines
613 B
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace BrewMonster
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{
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public abstract class Singleton<T> where T : class, new()
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{
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private static readonly Lazy<T> _instance = new Lazy<T>(() => new T());
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public static T Instance => _instance.Value;
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// Protected constructor prevents external instantiation
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protected Singleton()
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{
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if (_instance.IsValueCreated)
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throw new InvalidOperationException($"Singleton<{typeof(T).Name}> already created!");
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}
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}
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}
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