UnrealEngineUWP/Engine/Source/Programs/Shared/EpicGames.Core/Boxed.cs

// Copyright Epic Games, Inc. All Rights Reserved.

using System;
using System.Collections.Generic;
using System.Text;

namespace EpicGames.Core
{
	/// <summary>
	/// Explicitly boxes a value type, allowing it to be passed by reference to (and modified in) an async method.
	/// </summary>
	/// <typeparam name="T"></typeparam>
	public class Boxed<T>
	{
		/// <summary>
		/// The struct value
		/// </summary>
		public T Value { get; set; }

		/// <summary>
		/// Default constructor
		/// </summary>
		/// <param name="Value">The value to copy</param>
		public Boxed(T Value)
		{
			this.Value = Value;
		}

		/// <inheritdoc/>
		public override string? ToString()
		{
			return Value?.ToString();
		}

		/// <summary>
		/// Implicit conversion of a boxed value to value type
		/// </summary>
		/// <param name="Boxed"></param>
		public static implicit operator T(Boxed<T> Boxed)
		{
			return Boxed.Value;
		}

		/// <summary>
		/// Implicit conversion of a boxed value to value type
		/// </summary>
		/// <param name="Value"></param>
		public static implicit operator Boxed<T>(T Value)
		{
			return new Boxed<T>(Value);
		}
	}
}