| //@ aux-build:pretty-print-dep.rs |
| //@ compile-flags: --crate-type=lib |
| #![feature(sized_hierarchy)] |
| |
| // Test that printing the sizedness trait bounds in the conflicting impl error with |
| // `sized_hierarchy` enabled prints all of the appropriate bounds. |
| // |
| // It isn't possible to write a test that matches the multiline note containing the important |
| // diagnostic output being tested - so check the stderr changes carefully! |
| |
| use std::marker::{MetaSized, PointeeSized}; |
| |
| extern crate pretty_print_dep; |
| use pretty_print_dep::{SizedTr, MetaSizedTr, PointeeSizedTr}; |
| |
| struct X<T>(T); |
| |
| impl<T: Sized> SizedTr for X<T> {} |
| //~^ ERROR conflicting implementations of trait `SizedTr` for type `X<_>` |
| |
| impl<T: ?Sized> pretty_print_dep::NegSizedTr for X<T> {} |
| //~^ ERROR conflicting implementations of trait `NegSizedTr` for type `X<_>` |
| |
| impl<T: MetaSized> MetaSizedTr for X<T> {} |
| //~^ ERROR conflicting implementations of trait `MetaSizedTr` for type `X<_>` |
| |
| impl<T: PointeeSized> PointeeSizedTr for X<T> {} |
| //~^ ERROR conflicting implementations of trait `PointeeSizedTr` for type `X<_>` |
