rust/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

32 lines
2.1 KiB
Rust
Raw Normal View History

trait Trait<const N: Trait = bar> {
//~^ ERROR cannot find value `bar` in this scope
//~| ERROR cycle detected when computing type of `Trait::N`
//~| ERROR cycle detected when computing type of `Trait::N`
//~| ERROR the trait `Trait` cannot be made into an object
//~| ERROR the trait `Trait` cannot be made into an object
//~| ERROR the trait `Trait` cannot be made into an object
//~| ERROR `(dyn Trait<{const error}> + 'static)` is forbidden as the type of a const generic parameter
//~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects]
//~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
//~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects]
//~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
fn fnc<const N: Trait = u32>(&self) -> Trait {
//~^ ERROR the name `N` is already used for a generic parameter in this item's generic parameters
//~| ERROR expected value, found builtin type `u32`
//~| ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions
//~| ERROR associated item referring to unboxed trait object for its own trait
//~| ERROR the trait `Trait` cannot be made into an object
//~| ERROR `(dyn Trait<{const error}> + 'static)` is forbidden as the type of a const generic parameter
//~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects]
//~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
//~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects]
//~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
//~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects]
//~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
bar
//~^ ERROR cannot find value `bar` in this scope
}
}
fn main() {}