source: binary-improvements2/7dtd-server-fixes/src/FileCache/AbstractCache.cs@ 395

using System.Collections.Generic;

namespace AllocsFixes.FileCache {
        public abstract class AbstractCache {
                public abstract byte[] GetFileContent (string _filename);
                public abstract (int, int) Invalidate ();

                protected AbstractCache () {
                        caches.Add (this);
                }

                private static readonly List<AbstractCache> caches = new List<AbstractCache> ();
                public static (int, int) InvalidateAllCaches () {
                        int filesDropped = 0;
                        int bytesDropped = 0;
                        
                        foreach (AbstractCache cache in caches) {
                                (int, int) returned = cache.Invalidate ();
                                filesDropped += returned.Item1;
                                bytesDropped += returned.Item2;
                        }

                        return (filesDropped, bytesDropped);
                }
        }
}