src/test/run-pass/issues/issue-25339.rs

   1 // run-pass
   2 #![allow(dead_code)]
   3 #![allow(unused_variables)]
   4 #![feature(associated_type_defaults)]
   5
   6 use std::marker::PhantomData;
   7
   8 pub trait Routing<I> {
   9     type Output;
  10     fn resolve(&self, input: I);
  11 }
  12
  13 pub trait ToRouting {
  14     type Input;
  15     type Routing : ?Sized = dyn Routing<Self::Input, Output=()>;
  16     fn to_routing(self) -> Self::Routing;
  17 }
  18
  19 pub struct Mount<I, R: Routing<I>> {
  20     action: R,
  21     _marker: PhantomData<I>
  22 }
  23
  24 impl<I, R: Routing<I>> Mount<I, R> {
  25     pub fn create<T: ToRouting<Routing=R>>(mount: &str, input: T) {
  26         input.to_routing();
  27     }
  28 }
  29
  30 fn main() {
  31 }