Method dump

test/bvar_variable_unittest.cpp:201–205

class MyDumper : public bvar::Dumper {
public:
    bool dump(const std::string& name,
              const butil::StringPiece& description) {
        _list.push_back(std::make_pair(name, description.as_string()));
        return true;
    }

    std::vector<std::pair<std::string, std::string> > _list;
};