error[E0283]: type annotations required: cannot resolve `_: std::convert::Into<std::string::String>` | |
--> $DIR/type-annotation-needed.rs:5:5 | |
| | |
LL | fn foo<T: Into<String>>(x: i32) {} | |
| ------------------------------- required by `foo` | |
... | |
LL | foo(42); | |
| ^^^ | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0283`. |