src/test/ui/e0119/auxiliary/complex_impl_support.rs

   1 // Copyright 2017 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 use std::marker::PhantomData;
  12
  13 pub trait External {}
  14
  15 pub struct M<'a, 'b, 'c, T, U, V> {
  16     a: PhantomData<&'a ()>,
  17     b: PhantomData<&'b ()>,
  18     c: PhantomData<&'c ()>,
  19     d: PhantomData<T>,
  20     e: PhantomData<U>,
  21     f: PhantomData<V>,
  22 }
  23
  24 impl<'a, 'b, 'c, T, U, V, W> External for (T, M<'a, 'b, 'c, Box<U>, V, W>)
  25 where
  26     'b: 'a,
  27     T: 'a,
  28     U: (FnOnce(T) -> V) + 'static,
  29     V: Iterator<Item=T> + Clone,
  30     W: std::ops::Add,
  31     W::Output: Copy,
  32 {}