Constructor edge_iterator<I, Edge>() (1) (defaulted) explicit edge_iterator<I, Edge>(I x) (2) template <class U> edge_iterator<I, Edge>(const edge_iterator<U, Edge> & u) (3) (1) edge_iterator<I, Edge>() (defaulted) Default ctor (2) explicit edge_iterator<I, Edge>(I x) Iterator ctor Parameters I x (3) template <class U> edge_iterator<I, Edge>(const edge_iterator<U, Edge> & u) Rebase ctor Parameters const edge_iterator<U, Edge> & u