From d2e10eb4b6c9b0aaa8e18e0b43cd9f1f09d23c61 Mon Sep 17 00:00:00 2001
From: Alex Peck <alexpeck@microsoft.com>
Date: Fri, 10 Nov 2023 09:04:23 -0800
Subject: [PATCH] fix debugger display

---
 BitFaster.Caching/Lru/ConcurrentLruCore.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/BitFaster.Caching/Lru/ConcurrentLruCore.cs b/BitFaster.Caching/Lru/ConcurrentLruCore.cs
index 7f89c50e..c920fea9 100644
--- a/BitFaster.Caching/Lru/ConcurrentLruCore.cs
+++ b/BitFaster.Caching/Lru/ConcurrentLruCore.cs
@@ -826,7 +826,11 @@ private static CachePolicy CreatePolicy(ConcurrentLruCore<K, V, I, P, T> lru)
         // it becomes immutable. However, this object is then somewhere else on the 
         // heap, which slows down the policies with hit counter logic in benchmarks. Likely
         // this approach keeps the structs data members in the same CPU cache line as the LRU.
+#if NETCOREAPP3_0_OR_GREATER
         [DebuggerDisplay("Hit = {Hits}, Miss = {Misses}, Upd = {Updated}, Evict = {Evicted}")]
+#else
+        [DebuggerDisplay("Hit = {Hits}, Miss = {Misses}, Evict = {Evicted}")]
+#endif
         private class Proxy : ICacheMetrics, ICacheEvents<K, V>, IBoundedPolicy, ITimePolicy
         {
             private readonly ConcurrentLruCore<K, V, I, P, T> lru;