diff options
Diffstat (limited to 'src/test/ui/object-safety/object-safety-no-static.curr.stderr')
| -rw-r--r-- | src/test/ui/object-safety/object-safety-no-static.curr.stderr | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/object-safety/object-safety-no-static.curr.stderr b/src/test/ui/object-safety/object-safety-no-static.curr.stderr new file mode 100644 index 000000000..bd8cf4e30 --- /dev/null +++ b/src/test/ui/object-safety/object-safety-no-static.curr.stderr @@ -0,0 +1,25 @@ +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/object-safety-no-static.rs:12:18 + | +LL | fn diverges() -> Box<dyn Foo> { + | ^^^^^^^^^^^^ `Foo` 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/object-safety-no-static.rs:9:8 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | fn foo() {} + | ^^^ ...because associated function `foo` has no `self` parameter +help: consider turning `foo` into a method by giving it a `&self` argument + | +LL | fn foo(&self) {} + | +++++ +help: alternatively, consider constraining `foo` so it does not apply to trait objects + | +LL | fn foo() where Self: Sized {} + | +++++++++++++++++ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0038`. |