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error[E0308]: mismatched types
--> $DIR/equality.rs:15:5
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LL | fn two(x: bool) -> impl Foo {
| -------- expected because this return type...
LL | if x {
LL | return 1_i32;
| ----- ...is found to be `i32` here
LL | }
LL | 0_u32
| ^^^^^ expected i32, found u32
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= note: expected type `i32`
found type `u32`
error[E0277]: cannot add `impl Foo` to `u32`
--> $DIR/equality.rs:24:11
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LL | n + sum_to(n - 1)
| ^ no implementation for `u32 + impl Foo`
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= help: the trait `std::ops::Add<impl Foo>` is not implemented for `u32`
error: aborting due to 2 previous errors
Some errors occurred: E0277, E0308.
For more information about an error, try `rustc --explain E0277`.
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