picojson-dev 1.3.0+git20210118.111c9be-2 (i386 binary) in ubuntu oracular

 PicoJSON is a tiny JSON parser/serializer for C++ with following properties:
  - header-file only
  - no external dependencies (only uses standard C++ libraries)
  - STL-frendly (arrays are represented by using std::vector, objects are
    std::map)
  - provides both pull interface and streaming (event-based) interface