Create only 1 instance of an object per thread.

		/// <summary>
		///     Create only 1 instance of <see cref="T" /> per thread. (Only unique when using this method!)
		/// </summary>
		/// <typeparam name="T"></typeparam>
		public static class Cache<T> where T : notnull, new() {

			private static ThreadLocal<T> LocalCache { get; } = new(() => new T(), false);

			public static T? Instance { get; } = LocalCache.Value;

		}