diff options
Diffstat (limited to 'tests/ui/traits/issue-38404.stderr')
-rw-r--r-- | tests/ui/traits/issue-38404.stderr | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/tests/ui/traits/issue-38404.stderr b/tests/ui/traits/issue-38404.stderr index d7721d7e6..f8625f53b 100644 --- a/tests/ui/traits/issue-38404.stderr +++ b/tests/ui/traits/issue-38404.stderr @@ -12,6 +12,20 @@ LL | trait A<T>: std::ops::Add<Self> + Sized {} LL | trait B<T>: A<T> {} | - this trait cannot be made into an object... -error: aborting due to previous error +error[E0038]: the trait `B` cannot be made into an object + --> $DIR/issue-38404.rs:3:15 + | +LL | trait C<T>: A<dyn B<T, Output=usize>> {} + | ^^^^^^^^^^^^^^^^^^^^^^ `B` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/issue-38404.rs:1:13 + | +LL | trait A<T>: std::ops::Add<Self> + Sized {} + | ^^^^^^^^^^^^^^^^^^^ ...because it uses `Self` as a type parameter +LL | trait B<T>: A<T> {} + | - this trait cannot be made into an object... + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0038`. |