diff options
Diffstat (limited to 'tests/ui/traits/trait-upcasting/issue-11515.next.stderr')
| -rw-r--r-- | tests/ui/traits/trait-upcasting/issue-11515.next.stderr | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/traits/trait-upcasting/issue-11515.next.stderr b/tests/ui/traits/trait-upcasting/issue-11515.next.stderr new file mode 100644 index 000000000..97d66cccb --- /dev/null +++ b/tests/ui/traits/trait-upcasting/issue-11515.next.stderr @@ -0,0 +1,13 @@ +error[E0658]: cannot cast `dyn Fn()` to `dyn FnMut()`, trait upcasting coercion is experimental + --> $DIR/issue-11515.rs:10:38 + | +LL | let test = Box::new(Test { func: closure }); + | ^^^^^^^ + | + = note: see issue #65991 <https://github.com/rust-lang/rust/issues/65991> for more information + = help: add `#![feature(trait_upcasting)]` to the crate attributes to enable + = note: required when coercing `Box<(dyn Fn() + 'static)>` into `Box<(dyn FnMut() + 'static)>` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0658`. |