From ad1fc80337b7ffc8591604afe226be2120b2f8a9 Mon Sep 17 00:00:00 2001
From: Ian Thomas <ianthomas23@gmail.com>
Date: Thu, 18 Apr 2024 10:55:18 +0100
Subject: [PATCH] Document that ThreadCachedInt is derived from folly

Signed-off-by: Ian Thomas <ianthomas23@gmail.com>
---
 cpp/arcticdb/util/thread_cached_int.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cpp/arcticdb/util/thread_cached_int.hpp b/cpp/arcticdb/util/thread_cached_int.hpp
index 73a5644761..b756640606 100644
--- a/cpp/arcticdb/util/thread_cached_int.hpp
+++ b/cpp/arcticdb/util/thread_cached_int.hpp
@@ -12,6 +12,12 @@
 
 namespace arcticdb {
 
+    /*
+     * ThreadCachedInt is a simpler version of
+     * https://github.com/facebook/folly/blob/main/folly/ThreadCachedInt.h
+     * containing only the subset of functionality required here and using
+     * boost::thread_specific_ptr instead of folly's ThreadLocalPtr.
+     */
     template <class IntT>
     class ThreadCachedInt {
     public: