57 lines
1.3 KiB
C#
57 lines
1.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
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* This file is part of OpenRA.
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*
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* OpenRA is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OpenRA is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
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*/
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#endregion
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using System;
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namespace OpenRA.FileFormats
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{
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public class Lazy<T>
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{
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Func<T> p;
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T value;
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public Lazy(Func<T> p)
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{
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if (p == null)
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throw new ArgumentNullException();
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this.p = p;
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}
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public T Value
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{
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get
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{
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if (p == null)
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return value;
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value = p();
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p = null;
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return value;
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}
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}
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}
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public static class Lazy
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{
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public static Lazy<T> New<T>(Func<T> p) { return new Lazy<T>(p); }
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}
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}
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