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error[E0283]: type annotations needed
--> $DIR/type-annotation-needed.rs:6:5
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LL | foo(42);
| ^^^ cannot infer type of the type parameter `T` declared on the function `foo`
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= note: cannot satisfy `_: Into<String>`
note: required by a bound in `foo`
--> $DIR/type-annotation-needed.rs:1:11
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LL | fn foo<T: Into<String>>(x: i32) {}
| ^^^^^^^^^^^^ required by this bound in `foo`
help: consider specifying the generic argument
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LL | foo::<T>(42);
| +++++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0283`.
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