| --------- type in trait
...
LL | const FROM: &'static str = "foo";
- | ^^^^^^^^^^^^ expected associated type, found reference
+ | ^^^^^^^^^^^^ expected associated type, found &str
|
- = note: expected type `<T as Foo>::Out`
- found type `&'static str`
+ = note: expected associated type `<T as Foo>::Out`
+ found reference `&'static str`
+ = note: consider constraining the associated type `<T as Foo>::Out` to `&'static str` or calling a method that returns `<T as Foo>::Out`
+ = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
error: aborting due to previous error