1 error[E0369]: cannot add `{integer}` to `Foo`
2 --> $DIR/recursion3.rs:9:29
4 LL | let x: u32 = foo(false) + 42;
5 | ---------- ^ -- {integer}
9 error[E0369]: cannot add `{integer}` to `impl Debug`
10 --> $DIR/recursion3.rs:17:29
12 LL | let x: u32 = bar(false) + 42;
13 | ---------- ^ -- {integer}
17 error: aborting due to 2 previous errors
19 For more information about this error, try `rustc --explain E0369`.