Files
OpenRA/OpenRA.FileFormats/Primitives/Lazy.cs
2011-09-26 08:40:39 +13:00

49 lines
820 B
C#

#region Copyright & License Information
/*
* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation. For more information,
* see COPYING.
*/
#endregion
using System;
namespace OpenRA.FileFormats
{
public class Lazy<T>
{
Func<T> p;
T value;
public Lazy(Func<T> p)
{
if (p == null)
throw new ArgumentNullException();
this.p = p;
}
public T Value
{
get
{
if (p == null)
return value;
value = p();
p = null;
return value;
}
}
public T Force() { return Value; }
}
public static class Lazy
{
public static Lazy<T> New<T>(Func<T> p) { return new Lazy<T>(p); }
}
}