11 constexpr auto operator==(port_index other)
const noexcept
13 return node == other.node && port == other.port;
15 constexpr auto operator!=(port_index other)
const noexcept
17 return node != other.node || port != other.port;
19 constexpr auto operator<(port_index other)
const noexcept
21 return node < other.node || (node == other.node && port < other.port);