107         std::stringstream ss;  in dump()  local
108         ss << "{ ";  in dump()
111             ss << std::fixed << std::setprecision(2) << errorFraction << " ";  in dump()
114             ss << eventPair.first << ": { ";  in dump()
117                 ss << std::fixed << std::setprecision(2) << errorFraction << " ";  in dump()
120                 ss << "[ " << name << " : " << count << " ] ";  in dump()
122             ss << "} ";  in dump()
124         ss << " }";  in dump()
125         return ss.str();  in dump()
205         std::stringstream ss;  variable
209             ss << "Error Heat Map (rejected: " << mRejected << "):\n";
215             ss << name << ": " << data.dump() << "\n";
218         return { ss.str(), lines - ll };