diff --git a/tests/ui/traits/object/suggestion-trait-object-issue-139174.rs b/tests/ui/traits/object/suggestion-trait-object-issue-139174.rs new file mode 100644 index 00000000000..f8fa410b7d4 --- /dev/null +++ b/tests/ui/traits/object/suggestion-trait-object-issue-139174.rs @@ -0,0 +1,24 @@ +//@compile-flags: --edition 2021 + +fn f<'a>(x: Box Option>) -> usize { + //~^ ERROR expected trait, found builtin type `usize` + //~| ERROR expected a type, found a trait [E0782] + 0 +} + +fn create_adder<'a>(x: i32) -> usize + 'a { + //~^ ERROR expected trait, found builtin type `usize` + //~| ERROR expected a type, found a trait [E0782] + move |y| x + y +} + +struct Struct<'a>{ + x: usize + 'a, + //~^ ERROR expected trait, found builtin type `usize` + //~| ERROR expected a type, found a trait [E0782] +} + + +fn main() { + +} diff --git a/tests/ui/traits/object/suggestion-trait-object-issue-139174.stderr b/tests/ui/traits/object/suggestion-trait-object-issue-139174.stderr new file mode 100644 index 00000000000..ddee0d5586b --- /dev/null +++ b/tests/ui/traits/object/suggestion-trait-object-issue-139174.stderr @@ -0,0 +1,55 @@ +error[E0404]: expected trait, found builtin type `usize` + --> $DIR/suggestion-trait-object-issue-139174.rs:3:36 + | +LL | fn f<'a>(x: Box Option>) -> usize { + | ^^^^^ not a trait + +error[E0404]: expected trait, found builtin type `usize` + --> $DIR/suggestion-trait-object-issue-139174.rs:9:32 + | +LL | fn create_adder<'a>(x: i32) -> usize + 'a { + | ^^^^^ not a trait + +error[E0404]: expected trait, found builtin type `usize` + --> $DIR/suggestion-trait-object-issue-139174.rs:16:8 + | +LL | x: usize + 'a, + | ^^^^^ not a trait + +error[E0782]: expected a type, found a trait + --> $DIR/suggestion-trait-object-issue-139174.rs:3:36 + | +LL | fn f<'a>(x: Box Option>) -> usize { + | ^^^^^^^^^^ + | +help: you can add the `dyn` keyword if you want a trait object + | +LL | fn f<'a>(x: Box Option>) -> usize { + | +++ + +error[E0782]: expected a type, found a trait + --> $DIR/suggestion-trait-object-issue-139174.rs:9:32 + | +LL | fn create_adder<'a>(x: i32) -> usize + 'a { + | ^^^^^^^^^^ + | +help: `usize + 'a` is dyn-incompatible, use `impl usize + 'a` to return an opaque type, as long as you return a single underlying type + | +LL | fn create_adder<'a>(x: i32) -> impl usize + 'a { + | ++++ + +error[E0782]: expected a type, found a trait + --> $DIR/suggestion-trait-object-issue-139174.rs:16:8 + | +LL | x: usize + 'a, + | ^^^^^^^^^^ + | +help: you can add the `dyn` keyword if you want a trait object + | +LL | x: dyn usize + 'a, + | +++ + +error: aborting due to 6 previous errors + +Some errors have detailed explanations: E0404, E0782. +For more information about an error, try `rustc --explain E0404`.