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error[E0308]: mismatched types
--> $DIR/boxed-variant-field.rs:9:31
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LL | Ty::List(elem) => foo(elem),
| --- ^^^^ expected enum `Ty`, found struct `Box`
| |
| arguments to this function are incorrect
|
= note: expected enum `Ty`
found struct `Box<Ty>`
note: function defined here
--> $DIR/boxed-variant-field.rs:6:4
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LL | fn foo(x: Ty) -> Ty {
| ^^^ -----
help: consider unboxing the value
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LL | Ty::List(elem) => foo(*elem),
| +
help: try wrapping the expression in `Ty::List`
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LL | Ty::List(elem) => foo(Ty::List(elem)),
| +++++++++ +
error: aborting due to previous error
For more information about this error, try `rustc --explain E0308`.
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