Method less

python-package/compile/src/io/json11.cpp:176–176

    int int_value() const override { return static_cast<int>(m_value); }
    bool equals(const JsonValue * other) const override { return m_value == other->number_value(); }
    bool less(const JsonValue * other)   const override { return m_value <  other->number_value(); }
 public:
    explicit JsonDouble(double value) : Value(value) {}
};