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Diffstat (limited to 'tests/ui/traits/new-solver/specialization-transmute.stderr')
| -rw-r--r-- | tests/ui/traits/new-solver/specialization-transmute.stderr | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/traits/new-solver/specialization-transmute.stderr b/tests/ui/traits/new-solver/specialization-transmute.stderr new file mode 100644 index 000000000..e67c56afc --- /dev/null +++ b/tests/ui/traits/new-solver/specialization-transmute.stderr @@ -0,0 +1,31 @@ +warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/specialization-transmute.rs:3:12 + | +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[E0284]: type annotations needed: cannot satisfy `T <: <T as Default>::Id` + --> $DIR/specialization-transmute.rs:16:9 + | +LL | self + | ^^^^ cannot satisfy `T <: <T as Default>::Id` + +error[E0284]: type annotations needed: cannot satisfy `<u8 as Default>::Id == Option<NonZeroU8>` + --> $DIR/specialization-transmute.rs:27:13 + | +LL | let s = transmute::<u8, Option<NonZeroU8>>(0); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `<u8 as Default>::Id == Option<NonZeroU8>` + | +note: required by a bound in `transmute` + --> $DIR/specialization-transmute.rs:21:25 + | +LL | fn transmute<T: Default<Id = U>, U: Copy>(t: T) -> U { + | ^^^^^^ required by this bound in `transmute` + +error: aborting due to 2 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0284`. |