tests/ui/issues/auxiliary/issue-30123-aux.rs

   1 use std::marker::PhantomData;
   2
   3 pub struct Directed;
   4 pub struct Undirected;
   5
   6 pub struct Graph<N, E, Ty = Directed> {
   7     nodes: Vec<PhantomData<N>>,
   8     edges: Vec<PhantomData<E>>,
   9     ty: PhantomData<Ty>,
  10 }
  11
  12
  13 impl<N, E> Graph<N, E, Directed> {
  14     pub fn new() -> Self {
  15         Graph{nodes: Vec::new(), edges: Vec::new(), ty: PhantomData}
  16     }
  17 }
  18
  19 impl<N, E> Graph<N, E, Undirected> {
  20     pub fn new_undirected() -> Self {
  21         Graph{nodes: Vec::new(), edges: Vec::new(), ty: PhantomData}
  22     }
  23 }