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warning: trait objects without an explicit `dyn` are deprecated
--> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:2:20
|
LL | trait Foo<const N: Bar<2>> {
| ^^^^^^
|
= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
= note: `#[warn(bare_trait_objects)]` on by default
help: if this is a dyn-compatible trait, use `dyn`
|
LL | trait Foo<const N: dyn Bar<2>> {
| +++
warning: trait objects without an explicit `dyn` are deprecated
--> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:9:20
|
LL | trait Bar<const M: Foo<2>> {}
| ^^^^^^
|
= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
help: if this is a dyn-compatible trait, use `dyn`
|
LL | trait Bar<const M: dyn Foo<2>> {}
| +++
error[E0391]: cycle detected when computing type of `Foo::N`
--> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:2:11
|
LL | trait Foo<const N: Bar<2>> {
| ^^^^^^^^^^^^^^^
|
note: ...which requires computing type of `Bar::M`...
--> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:9:11
|
LL | trait Bar<const M: Foo<2>> {}
| ^^^^^^^^^^^^^^^
= note: ...which again requires computing type of `Foo::N`, completing the cycle
note: cycle used when computing explicit predicates of trait `Foo`
--> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:2:1
|
LL | trait Foo<const N: Bar<2>> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
= note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information
error: aborting due to 1 previous error; 2 warnings emitted
For more information about this error, try `rustc --explain E0391`.
|
