Merge pull request #16077 from omoerbeek/c++20-for-real

Prep, but do not actually move to C++20

diff --cc pdns/protozero-trace.hh
index 1ddccf0a0e31226c78ae66ab7a700340a92465fd,08515b87a3e6c8f7c5fac244a99825adf46e52a3..2e53a34076f1e51a5d0e2a989c0863f6de8eca2f
--- 1/pdns/protozero-trace.hh
--- 2/pdns/protozero-trace.hh
+++ b/pdns/protozero-trace.hh
@@@ -844,7 -809,22 +835,22 @@@ private
    const size_t size;
  };
  
 -void extractOTraceIDs(const EDNSOptionViewMap& map, pdns::trace::InitialSpanInfo& span);
 -bool extractOTraceIDs(const EDNSOptionViewMap& map, const EDNSOptionCode::EDNSOptionCodeEnum& eoc, pdns::trace::TraceID& traceID, pdns::trace::SpanID& spanID);
 +bool extractOTraceIDs(const EDNSOptionViewMap& map, EDNSOptionCode::EDNSOptionCodeEnum eoc, pdns::trace::InitialSpanInfo& span);
 +bool extractOTraceIDs(const EDNSOptionViewMap& map, EDNSOptionCode::EDNSOptionCodeEnum eoc, pdns::trace::TraceID& traceID, pdns::trace::SpanID& spanID);
  
+ inline bool ArrayValue::operator==(const ArrayValue& rhs) const
+ {
+   return values == rhs.values;
+ }
+ 
+ inline bool KeyValueList::operator==(const KeyValueList& rhs) const
+ {
+   return values == rhs.values;
+ }
+ 
+ inline bool KeyValue::operator==(const KeyValue& rhs) const
+ {
+   return key == rhs.key && value == rhs.value;
+ }
+ 
  } // namespace pdns::trace