1 error[E0121]: the placeholder `_` is not allowed within types on item signatures for functions
2 --> $DIR/replace-impl-infer-ty-from-trait.rs:9:15
4 LL | fn bar(i: _, t: _, s: _) -> _ {
5 | ^ ^ ^ ^ not allowed in type signatures
7 | | | not allowed in type signatures
8 | | not allowed in type signatures
9 | not allowed in type signatures
11 help: try replacing `_` with the types in the corresponding trait method signature
13 LL | fn bar(i: i32, t: usize, s: &()) -> (usize, i32) {
14 | ~~~ ~~~~~ ~~~ ~~~~~~~~~~~~
16 error: aborting due to previous error
18 For more information about this error, try `rustc --explain E0121`.