diff options
Diffstat (limited to 'tests/ui/traits/negative-impls/negative-default-impls.stderr')
| -rw-r--r-- | tests/ui/traits/negative-impls/negative-default-impls.stderr | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/traits/negative-impls/negative-default-impls.stderr b/tests/ui/traits/negative-impls/negative-default-impls.stderr new file mode 100644 index 000000000..7b54cf542 --- /dev/null +++ b/tests/ui/traits/negative-impls/negative-default-impls.stderr @@ -0,0 +1,19 @@ +warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/negative-default-impls.rs:2:12 + | +LL | #![feature(specialization)] + | ^^^^^^^^^^^^^^ + | + = 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 + = note: `#[warn(incomplete_features)]` on by default + +error[E0750]: negative impls cannot be default impls + --> $DIR/negative-default-impls.rs:9:1 + | +LL | default impl !MyTrait for u32 {} + | ^^^^^^^ ^ + +error: aborting due to previous error; 1 warning emitted + +For more information about this error, try `rustc --explain E0750`. |