From f081f3794da2b6bd66086bc363b045252b42f0f1 Mon Sep 17 00:00:00 2001
From: Lukas Korencik <lukas.korencik@trailofbits.com>
Date: Fri, 20 Oct 2023 19:08:54 +0200
Subject: [PATCH] interface: Improve error message if lookup in data layout
 fails.

---
 include/vast/Interfaces/DefaultDataLayoutTypeInterface.hpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/vast/Interfaces/DefaultDataLayoutTypeInterface.hpp b/include/vast/Interfaces/DefaultDataLayoutTypeInterface.hpp
index 4087ca0a6f..e2304c8f5f 100644
--- a/include/vast/Interfaces/DefaultDataLayoutTypeInterface.hpp
+++ b/include/vast/Interfaces/DefaultDataLayoutTypeInterface.hpp
@@ -35,15 +35,16 @@ namespace vast
                        *out, current, entries.size());
         };
 
+        auto casted_self = static_cast< const ConcreteType & >(self);
         for (const auto &entry : entries)
         {
             auto raw = dl::DLEntry(entry);
-            auto casted_self = static_cast< const ConcreteType & >(self);
             if (casted_self == raw.type)
                 handle_entry(raw);
         }
 
-        VAST_CHECK(out.has_value(), "Data layout query did not produce a value!");
+        VAST_CHECK(out.has_value(), "Data layout query of {0} did not produce a value!",
+                   casted_self);
         return *out;
     }