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Output an address as a string.
template<
    typename Elem,
    typename Traits>
std::basic_ostream< Elem, Traits > & operator<<(
    std::basic_ostream< Elem, Traits > & os,
    const address_v6 & addr);
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Output a network as a string.
template<
    typename Elem,
    typename Traits>
std::basic_ostream< Elem, Traits > & operator<<(
    std::basic_ostream< Elem, Traits > & os,
    const network_v6 & net);
  » more...