diff options
Diffstat (limited to 'src')
3 files changed, 59 insertions, 1 deletions
diff --git a/src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs b/src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs index f01da8c61ed..c55b0530c9d 100644 --- a/src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs +++ b/src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs @@ -10,4 +10,9 @@ fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} //~| ERROR this associated type takes 0 generic arguments but 1 generic argument //~| ERROR this associated type takes 1 lifetime argument but 0 lifetime arguments + +fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} + //~^ ERROR: parenthesized generic arguments cannot be used + //~| ERROR this associated type takes 1 lifetime argument but 0 lifetime arguments + fn main() {} diff --git a/src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr b/src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr index 6014a02c4d9..162214063e7 100644 --- a/src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr +++ b/src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr @@ -9,6 +9,19 @@ error: parenthesized generic arguments cannot be used in associated type constra | LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} | ^^^^^ + | +help: use angle brackets instead + | +LL | fn foo<'a>(arg: Box<dyn X<Y<'a> = &'a ()>>) {} + | ~ ~ + +error: parenthesized generic arguments cannot be used in associated type constraints + --> $DIR/gat-trait-path-parenthesised-args.rs:14:27 + | +LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} + | ^-- + | | + | help: remove these parentheses error[E0107]: this associated type takes 1 lifetime argument but 0 lifetime arguments were supplied --> $DIR/gat-trait-path-parenthesised-args.rs:7:27 @@ -40,6 +53,22 @@ note: associated type defined here, with 0 generic parameters LL | type Y<'a>; | ^ -error: aborting due to 4 previous errors +error[E0107]: this associated type takes 1 lifetime argument but 0 lifetime arguments were supplied + --> $DIR/gat-trait-path-parenthesised-args.rs:14:27 + | +LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} + | ^ expected 1 lifetime argument + | +note: associated type defined here, with 1 lifetime parameter: `'a` + --> $DIR/gat-trait-path-parenthesised-args.rs:4:8 + | +LL | type Y<'a>; + | ^ -- +help: add missing lifetime argument + | +LL | fn bar<'a>(arg: Box<dyn X<Y('a) = ()>>) {} + | ++ + +error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0107`. diff --git a/src/test/ui/traits/issue-97695-double-trivial-bound.rs b/src/test/ui/traits/issue-97695-double-trivial-bound.rs new file mode 100644 index 00000000000..213605b5114 --- /dev/null +++ b/src/test/ui/traits/issue-97695-double-trivial-bound.rs @@ -0,0 +1,24 @@ +// compile-flags: -Zinline-mir --emit=mir +// build-pass + +pub trait Associate { + type Associated; +} + +pub struct Wrap<'a> { + pub field: &'a i32, +} + +pub trait Create<T> { + fn create() -> Self; +} + +pub fn oh_no<'a, T>() +where + Wrap<'a>: Associate, + <Wrap<'a> as Associate>::Associated: Create<T>, +{ + <Wrap<'a> as Associate>::Associated::create(); +} + +pub fn main() {} |