| error[E0283]: type annotations needed |
| --> $DIR/type-annotation-needed.rs:6:5 |
| | |
| LL | fn foo<T: Into<String>>(x: i32) {} |
| | --- ------------ required by this bound in `foo` |
| ... |
| LL | foo(42); |
| | ^^^ cannot infer type for type parameter `T` declared on the function `foo` |
| | |
| = note: cannot resolve `_: std::convert::Into<std::string::String>` |
| help: consider specifying the type argument in the function call |
| | |
| LL | foo::<T>(42); |
| | ^^^^^ |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0283`. |