Method operator-

src/internal/bitcoin_script.hpp:257–257

        
        inline CScriptNum operator+(   const int64_t& rhs)    const { return CScriptNum(m_value + rhs);}
        inline CScriptNum operator-(   const int64_t& rhs)    const { return CScriptNum(m_value - rhs);}
        inline CScriptNum operator+(   const CScriptNum& rhs) const { return operator+(rhs.m_value);   }
        inline CScriptNum operator-(   const CScriptNum& rhs) const { return operator-(rhs.m_value);   }