Method equals

python-package/compile/src/io/json11.cpp:184–184

    double number_value() const override { return m_value; }
    int int_value() const override { return 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 JsonInt(int value) : Value(value) {}