From bb6bd97b12f061e53a470803e9f3dac41dbc7a18 Mon Sep 17 00:00:00 2001
From: jmcarcell <jmcarcell@users.noreply.github.com>
Date: Thu, 19 Dec 2024 10:05:30 +0100
Subject: [PATCH] Add a comment about the deleted copy constructor and
 assignment

---
 utils/include/edm4hep/utils/ParticleIDUtils.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/utils/include/edm4hep/utils/ParticleIDUtils.h b/utils/include/edm4hep/utils/ParticleIDUtils.h
index 738b3c4f..d9c2791f 100644
--- a/utils/include/edm4hep/utils/ParticleIDUtils.h
+++ b/utils/include/edm4hep/utils/ParticleIDUtils.h
@@ -55,6 +55,7 @@ class PIDHandler {
 public:
   PIDHandler() = default;
   ~PIDHandler() = default;
+  // Copies are not allowed to avoid copying the internal maps
   PIDHandler(const PIDHandler&) = delete;
   PIDHandler& operator=(const PIDHandler&) = delete;
   PIDHandler(PIDHandler&&) = default;