From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Tue, 1 Aug 2023 08:55:16 +0000 (+0200)
Subject: dnsdist: Add a comment indicating we are fine with at() throwing
X-Git-Tag: rec-5.0.0-alpha1~78^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92d022ed697ce85c33cd6396cfe6a780a9de786a;p=thirdparty%2Fpdns.git

dnsdist: Add a comment indicating we are fine with at() throwing
---

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;