Method front

include/tabulate/string_view_lite.hpp:669–669

    }

    nssv_constexpr const_reference front() const { return data_at( 0 );          }
    nssv_constexpr const_reference back()  const { return data_at( size() - 1 ); }

    nssv_constexpr const_pointer   data()  const nssv_noexcept { return data_; }