Function getNumericValue

flow/Trace.cpp:1588–1608

template <class T>
T getNumericValue(TraceEventFields const& fields, std::string key, bool permissive) {
	std::string field = fields.getValue(key);

	try {
		T value;
		parseNumericValue(field, value, permissive);
		return value;
	} catch (Error& e) {
		std::string type;

		TraceEvent ev(SevWarn, "ErrorParsingNumericTraceEventField");
		ev.error(e);
		if (fields.tryGetValue("Type", type)) {
			ev.detail("Event", type);
		}
		ev.detail("FieldName", key);
		ev.detail("FieldValue", field);

		throw;
	}
}
} // namespace

int TraceEventFields::getInt(std::string key, bool permissive) const {