LL | }
LL | 1u32
| ^^^^ expected `i32`, found `u32`
+ |
+ = note: to return `impl Trait`, all returned values must be of the same type
+ = note: for information on `impl Trait`, see <https://doc.rust-lang.org/book/ch10-02-traits.html#returning-types-that-implement-traits>
+ = help: you can instead return a boxed trait object using `Box<dyn std::fmt::Display>`
+ = note: for information on trait objects, see <https://doc.rust-lang.org/book/ch17-02-trait-objects.html#using-trait-objects-that-allow-for-values-of-different-types>
+ = help: alternatively, create a new `enum` with a variant for each returned type
error[E0308]: mismatched types
--> $DIR/point-to-type-err-cause-on-impl-trait-return.rs:13:16
LL | } else {
LL | return 1u32;
| ^^^^ expected `i32`, found `u32`
+ |
+ = note: to return `impl Trait`, all returned values must be of the same type
+ = note: for information on `impl Trait`, see <https://doc.rust-lang.org/book/ch10-02-traits.html#returning-types-that-implement-traits>
+ = help: you can instead return a boxed trait object using `Box<dyn std::fmt::Display>`
+ = note: for information on trait objects, see <https://doc.rust-lang.org/book/ch17-02-trait-objects.html#using-trait-objects-that-allow-for-values-of-different-types>
+ = help: alternatively, create a new `enum` with a variant for each returned type
error[E0308]: mismatched types
--> $DIR/point-to-type-err-cause-on-impl-trait-return.rs:22:9
LL | } else {
LL | 1u32
| ^^^^ expected `i32`, found `u32`
+ |
+ = note: to return `impl Trait`, all returned values must be of the same type
+ = note: for information on `impl Trait`, see <https://doc.rust-lang.org/book/ch10-02-traits.html#returning-types-that-implement-traits>
+ = help: you can instead return a boxed trait object using `Box<dyn std::fmt::Display>`
+ = note: for information on trait objects, see <https://doc.rust-lang.org/book/ch17-02-trait-objects.html#using-trait-objects-that-allow-for-values-of-different-types>
+ = help: alternatively, create a new `enum` with a variant for each returned type
error[E0308]: `if` and `else` have incompatible types
--> $DIR/point-to-type-err-cause-on-impl-trait-return.rs:31:9
| ---- ...is found to be `i32` here
LL | _ => 1u32,
| ^^^^ expected `i32`, found `u32`
+ |
+ = note: to return `impl Trait`, all returned values must be of the same type
+ = note: for information on `impl Trait`, see <https://doc.rust-lang.org/book/ch10-02-traits.html#returning-types-that-implement-traits>
+ = help: you can instead return a boxed trait object using `Box<dyn std::fmt::Display>`
+ = note: for information on trait objects, see <https://doc.rust-lang.org/book/ch17-02-trait-objects.html#using-trait-objects-that-allow-for-values-of-different-types>
+ = help: alternatively, create a new `enum` with a variant for each returned type
error[E0308]: mismatched types
--> $DIR/point-to-type-err-cause-on-impl-trait-return.rs:45:5
LL | | _ => 2u32,
LL | | }
| |_____^ expected `i32`, found `u32`
+ |
+ = note: to return `impl Trait`, all returned values must be of the same type
+ = note: for information on `impl Trait`, see <https://doc.rust-lang.org/book/ch10-02-traits.html#returning-types-that-implement-traits>
+ = help: you can instead return a boxed trait object using `Box<dyn std::fmt::Display>`
+ = note: for information on trait objects, see <https://doc.rust-lang.org/book/ch17-02-trait-objects.html#using-trait-objects-that-allow-for-values-of-different-types>
+ = help: alternatively, create a new `enum` with a variant for each returned type
error[E0308]: mismatched types
--> $DIR/point-to-type-err-cause-on-impl-trait-return.rs:59:13
...
LL | 1u32
| ^^^^ expected `i32`, found `u32`
+ |
+ = note: to return `impl Trait`, all returned values must be of the same type
+ = note: for information on `impl Trait`, see <https://doc.rust-lang.org/book/ch10-02-traits.html#returning-types-that-implement-traits>
+ = help: you can instead return a boxed trait object using `Box<dyn std::fmt::Display>`
+ = note: for information on trait objects, see <https://doc.rust-lang.org/book/ch17-02-trait-objects.html#using-trait-objects-that-allow-for-values-of-different-types>
+ = help: alternatively, create a new `enum` with a variant for each returned type
error: aborting due to 7 previous errors