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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/object-safety/issue-19538.stderr | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/object-safety/issue-19538.stderr')
-rw-r--r-- | src/test/ui/object-safety/issue-19538.stderr | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/test/ui/object-safety/issue-19538.stderr b/src/test/ui/object-safety/issue-19538.stderr new file mode 100644 index 000000000..7b37e1f95 --- /dev/null +++ b/src/test/ui/object-safety/issue-19538.stderr @@ -0,0 +1,37 @@ +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/issue-19538.rs:17:15 + | +LL | let test: &mut dyn Bar = &mut thing; + | ^^^^^^^^^^^^ `Bar` 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-19538.rs:2:8 + | +LL | fn foo<T>(&self, val: T); + | ^^^ ...because method `foo` has generic type parameters +... +LL | trait Bar: Foo { } + | --- this trait cannot be made into an object... + = help: consider moving `foo` to another trait + +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/issue-19538.rs:17:30 + | +LL | let test: &mut dyn Bar = &mut thing; + | ^^^^^^^^^^ `Bar` 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-19538.rs:2:8 + | +LL | fn foo<T>(&self, val: T); + | ^^^ ...because method `foo` has generic type parameters +... +LL | trait Bar: Foo { } + | --- this trait cannot be made into an object... + = help: consider moving `foo` to another trait + = note: required because of the requirements on the impl of `CoerceUnsized<&mut dyn Bar>` for `&mut Thing` + = note: required by cast to type `&mut dyn Bar` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0038`. |