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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/traits/issue-72410.stderr | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/traits/issue-72410.stderr b/src/test/ui/traits/issue-72410.stderr new file mode 100644 index 000000000..c7beb834b --- /dev/null +++ b/src/test/ui/traits/issue-72410.stderr @@ -0,0 +1,25 @@ +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/issue-72410.rs:14:19 + | +LL | where for<'a> &'a mut [dyn Bar]: ; + | ^^^^^^^^^^^^^^^^^ `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-72410.rs:13:8 + | +LL | pub trait Bar { + | --- this trait cannot be made into an object... +LL | fn map() + | ^^^ ...because associated function `map` has no `self` parameter +help: consider turning `map` into a method by giving it a `&self` argument + | +LL | fn map(&self) + | +++++ +help: alternatively, consider constraining `map` so it does not apply to trait objects + | +LL | where for<'a> &'a mut [dyn Bar]:, Self: Sized ; + | +++++++++++++ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0038`. |