non-pointer type ‘const Tins::IP’

[Tomasz158]

While following the Sniffing tutorial, I encounter an error:
In function ‘bool doo(Tins::PDU&)’:
base operand of ‘->’ has non-pointer type ‘const Tins::IP’

[Tomasz158]

it worked when I wrote ip.dst_addr() instead of ip->dst_addr();