Method clear

src/streams.h:243–243

    const_reference operator[](size_type pos) const  { return vch[pos + m_read_pos]; }
    reference operator[](size_type pos)              { return vch[pos + m_read_pos]; }
    void clear()                                     { vch.clear(); m_read_pos = 0; }
    value_type* data()                               { return vch.data() + m_read_pos; }
    const value_type* data() const                   { return vch.data() + m_read_pos; }