FIX: Fix missing operator<< for Cmbp1Msg

Author: threecgreen

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## 0.35.1 - TBD
+
+### Bug fixes
+- Added missing `operator<<` and `ToString` implementations for `Cmbp1Msg`
+
 ## 0.35.0 - 2025-05-13
 
 ### Enhancements

include/databento/record.hpp

@@ -770,6 +770,8 @@ std::string ToString(const Mbp10Msg& mbp_msg);
 std::ostream& operator<<(std::ostream& stream, const Mbp10Msg& mbp_msg);
 std::string ToString(const BboMsg& bbo_msg);
 std::ostream& operator<<(std::ostream& stream, const BboMsg& bbo_msg);
+std::string ToString(const Cmbp1Msg& cmbp1_msg);
+std::ostream& operator<<(std::ostream& stream, const Cmbp1Msg& cmbp1_msg);
 std::string ToString(const CbboMsg& cbbo_msg);
 std::ostream& operator<<(std::ostream& stream, const CbboMsg& cbbo_msg);
 std::string ToString(const TradeMsg& trade_msg);