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enhance Cache to allow specializing the key comparer

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Chris Forbes
2011-03-06 08:56:39 +13:00
parent 516efa1dc8
commit 8d1a69e8ff
1 changed files with 8 additions and 4 deletions
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12
OpenRA.FileFormats/Primitives/Cache.cs
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@@ -15,17 +15,21 @@ using System.Collections.Generic;
namespace OpenRA.FileFormats namespace OpenRA.FileFormats
{ {
public class Cache<T, U> : IEnumerable<KeyValuePair<T, U>> public class Cache<T, U> : IEnumerable<KeyValuePair<T, U>>
{ {
Dictionary<T, U> hax = new Dictionary<T, U>(); Dictionary<T, U> hax;
Func<T,U> loader; Func<T,U> loader;
public Cache(Func<T,U> loader) public Cache(Func<T,U> loader, IEqualityComparer<T> c)
{ {
hax = new Dictionary<T, U>(c);
if (loader == null) if (loader == null)
throw new ArgumentNullException(); throw new ArgumentNullException();
this.loader = loader; this.loader = loader;
} }
public Cache(Func<T, U> loader)
: this(loader, EqualityComparer<T>.Default) { }
public U this[T key] public U this[T key]
{ {