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error[E0053]: method `bar` has an incompatible type for trait
--> $DIR/issue-13033.rs:8:30
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LL | fn bar(&mut self, other: &mut dyn Foo);
| ------------ type in trait
...
LL | fn bar(&mut self, other: &dyn Foo) {}
| ^^^^^^^^ types differ in mutability
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= note: expected fn pointer `fn(&mut Baz, &mut dyn Foo)`
found fn pointer `fn(&mut Baz, &dyn Foo)`
help: consider change the type to match the mutability in trait
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LL | fn bar(&mut self, other: &mut dyn Foo) {}
| ^^^^^^^^^^^^
error: aborting due to previous error
For more information about this error, try `rustc --explain E0053`.
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