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Diffstat (limited to 'src/test/ui/specialization/defaultimpl/specialization-wfcheck.stderr')
| -rw-r--r-- | src/test/ui/specialization/defaultimpl/specialization-wfcheck.stderr | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/specialization/defaultimpl/specialization-wfcheck.stderr b/src/test/ui/specialization/defaultimpl/specialization-wfcheck.stderr new file mode 100644 index 000000000..a8fdbc528 --- /dev/null +++ b/src/test/ui/specialization/defaultimpl/specialization-wfcheck.stderr @@ -0,0 +1,29 @@ +warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/specialization-wfcheck.rs:3:12 + | +LL | #![feature(specialization)] + | ^^^^^^^^^^^^^^ + | + = note: `#[warn(incomplete_features)]` on by default + = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information + = help: consider using `min_specialization` instead, which is more stable and complete + +error[E0277]: the trait bound `U: Eq` is not satisfied + --> $DIR/specialization-wfcheck.rs:7:17 + | +LL | default impl<U> Foo<'static, U> for () {} + | ^^^^^^^^^^^^^^^ the trait `Eq` is not implemented for `U` + | +note: required by a bound in `Foo` + --> $DIR/specialization-wfcheck.rs:5:18 + | +LL | trait Foo<'a, T: Eq + 'a> { } + | ^^ required by this bound in `Foo` +help: consider restricting type parameter `U` + | +LL | default impl<U: std::cmp::Eq> Foo<'static, U> for () {} + | ++++++++++++++ + +error: aborting due to previous error; 1 warning emitted + +For more information about this error, try `rustc --explain E0277`. |