src/test/ui/error-codes/e0119/complex-impl.stderr

   1 error[E0119]: conflicting implementations of trait `complex_impl_support::External` for type `(Q, complex_impl_support::M<'_, '_, '_, std::boxed::Box<_>, _, _>)`:
   2   --> $DIR/complex-impl.rs:9:1
   3    |
   4 LL | impl<R> External for (Q, R) {}
   5    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   6    |
   7    = note: conflicting implementation in crate `complex_impl_support`:
   8            - impl<'a, 'b, 'c, T, U, V, W> complex_impl_support::External for (T, complex_impl_support::M<'a, 'b, 'c, std::boxed::Box<U>, V, W>)
   9              where <U as std::ops::FnOnce<(T,)>>::Output == V, <V as std::iter::Iterator>::Item == T, 'b : 'a, T : 'a, U: std::ops::FnOnce<(T,)>, U : 'static, V: std::iter::Iterator, V: std::clone::Clone, W: std::ops::Add, <W as std::ops::Add>::Output: std::marker::Copy;
  10
  11 error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
  12   --> $DIR/complex-impl.rs:9:1
  13    |
  14 LL | impl<R> External for (Q, R) {}
  15    | ^^^^^^^^^^^^^^^^^^^^^------
  16    | |                    |
  17    | |                    this is not defined in the current crate because tuples are always foreign
  18    | impl doesn't use only types from inside the current crate
  19    |
  20    = note: define and implement a trait or new type instead
  21
  22 error: aborting due to 2 previous errors
  23
  24 Some errors have detailed explanations: E0117, E0119.
  25 For more information about an error, try `rustc --explain E0117`.