AccessorUtil.cs

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using System;
using System.Threading;
 
namespace IKVM.Runtime.Accessors
{
 
    static class AccessorUtil
    {
 
        public static T LazyGet<T>(ref T location, Func<T> create)
            where T : class
        {
            if (create is null)
                throw new ArgumentNullException(nameof(create));
 
            if (location == null)
                Interlocked.CompareExchange(ref location, create(), null);
 
            return location;
        }
 
    }
 
}