From 92d022ed697ce85c33cd6396cfe6a780a9de786a Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Tue, 1 Aug 2023 10:55:16 +0200
Subject: [PATCH] dnsdist: Add a comment indicating we are fine with at()
 throwing

---
 pdns/dnsdist-lua-rules.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pdns/dnsdist-lua-rules.cc b/pdns/dnsdist-lua-rules.cc
index 860231ad05..2495b4a9ee 100644
--- a/pdns/dnsdist-lua-rules.cc
+++ b/pdns/dnsdist-lua-rules.cc
@@ -262,6 +262,8 @@ static boost::optional<T> getRuleFromSelector(const std::vector<T>& rules, const
     }
   }
   else if (auto pos = boost::get<int>(&selector)) {
+    /* this will throw a std::out_of_range exception if the
+       supplied position is out of bounds, this is fine */
     return rules.at(*pos);
   }
   return boost::none;
-- 
2.47.2