rust/tests/ui/regions/region-lifetime-bounds-on-fns-where-clause.stderr

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error[E0308]: mismatched types
2022-04-01 12:13:25 -05:00
--> $DIR/region-lifetime-bounds-on-fns-where-clause.rs:20:43
|
2020-06-06 05:31:51 -05:00
LL | let _: fn(&mut &isize, &mut &isize) = a;
| ^ one type is more general than the other
|
2022-09-21 10:57:30 -05:00
= note: expected fn pointer `for<'a, 'b, 'c, 'd> fn(&'a mut &'b isize, &'c mut &'d isize)`
found fn item `for<'a, 'b> fn(&'a mut &isize, &'b mut &isize) {a::<'_, '_>}`
= note: when the arguments and return types match, functions can be coerced to function pointers
error: aborting due to previous error
For more information about this error, try `rustc --explain E0308`.