[PROTON-1841] [cpp] add missing ostream<< and to_string for proton::message

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: proton-c-0.22.0
• Fix Version/s: proton-c-0.23.0
• Component/s: cpp-binding
• Assignee: Alan Conway
• Reporter: Alan Conway
• Created: 02/May/18 15:56
• Updated: 26/May/18 19:36
• Resolved: 08/May/18 15:59

Description

proton::message lacks an ostream operator<< and to_string function, which are provided for proton::value and most other types in the library. It can be implemented using C pn_inspect.