Method begin

src/key.h:89–89

    unsigned int size() const { return (fValid ? keydata.size() : 0); }
    const unsigned char* data() const { return keydata.data(); }
    const unsigned char* begin() const { return keydata.data(); }
    const unsigned char* end() const { return keydata.data() + size(); }

    //! Check whether this private key is valid.