diff options
Diffstat (limited to 'tests/ui/traits/const-traits/macro-const-trait-bound-theoretical-regression.stderr')
| -rw-r--r-- | tests/ui/traits/const-traits/macro-const-trait-bound-theoretical-regression.stderr | 56 |
1 files changed, 34 insertions, 22 deletions
diff --git a/tests/ui/traits/const-traits/macro-const-trait-bound-theoretical-regression.stderr b/tests/ui/traits/const-traits/macro-const-trait-bound-theoretical-regression.stderr index b500e4858d1..af160a45f3e 100644 --- a/tests/ui/traits/const-traits/macro-const-trait-bound-theoretical-regression.stderr +++ b/tests/ui/traits/const-traits/macro-const-trait-bound-theoretical-regression.stderr @@ -1,27 +1,31 @@ -error: ty - --> $DIR/macro-const-trait-bound-theoretical-regression.rs:8:19 +error: macro expansion ignores keyword `dyn` and any tokens following + --> $DIR/macro-const-trait-bound-theoretical-regression.rs:14:31 | -LL | ($ty:ty) => { compile_error!("ty"); }; - | ^^^^^^^^^^^^^^^^^^^^ +LL | (dyn $c:ident Trait) => { dyn $c Trait {} }; + | ^^^ ... -LL | demo! { impl const Trait } - | -------------------------- in this macro invocation +LL | demo! { dyn const Trait } + | ------------------------- caused by the macro expansion here | - = note: this error originates in the macro `demo` (in Nightly builds, run with -Z macro-backtrace for more info) + = note: the usage of `demo!` is likely invalid in item context -error: ty - --> $DIR/macro-const-trait-bound-theoretical-regression.rs:8:19 +error: inherent impls cannot be `const` + --> $DIR/macro-const-trait-bound-theoretical-regression.rs:10:40 | -LL | ($ty:ty) => { compile_error!("ty"); }; - | ^^^^^^^^^^^^^^^^^^^^ +LL | (impl $c:ident Trait) => { impl $c Trait {} }; + | ^^^^^ inherent impl for this type ... -LL | demo! { dyn const Trait } - | ------------------------- in this macro invocation +LL | demo! { impl const Trait } + | -------------------------- + | | | + | | `const` because of this + | in this macro invocation | + = note: only trait implementations may be annotated with `const` = note: this error originates in the macro `demo` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0658]: const trait impls are experimental - --> $DIR/macro-const-trait-bound-theoretical-regression.rs:15:14 + --> $DIR/macro-const-trait-bound-theoretical-regression.rs:17:14 | LL | demo! { impl const Trait } | ^^^^^ @@ -30,16 +34,24 @@ LL | demo! { impl const Trait } = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error[E0658]: const trait impls are experimental - --> $DIR/macro-const-trait-bound-theoretical-regression.rs:18:13 +warning: trait objects without an explicit `dyn` are deprecated + --> $DIR/macro-const-trait-bound-theoretical-regression.rs:10:40 | -LL | demo! { dyn const Trait } - | ^^^^^ +LL | (impl $c:ident Trait) => { impl $c Trait {} }; + | ^^^^^ +... +LL | demo! { impl const Trait } + | -------------------------- in this macro invocation | - = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information - = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable - = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! + = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html> + = note: `#[warn(bare_trait_objects)]` on by default + = note: this warning originates in the macro `demo` (in Nightly builds, run with -Z macro-backtrace for more info) +help: you might have intended to implement this trait for a given type + | +LL | (impl $c:ident Trait) => { impl $c Trait for /* Type */ {} }; + | ++++++++++++++ -error: aborting due to 4 previous errors +error: aborting due to 3 previous errors; 1 warning emitted For more information about this error, try `rustc --explain E0658`. |
