fn main() {
 for x in -5..5 {
 do_something(x);
 } 
}
fn do_something(val: usize) {}

error[E0277]: the trait bound `usize: Neg` is not satisfied
 --> src/main.rs:2:12
 |
2 | for x in -5..5 {
 | ^^ the trait `Neg` is not implemented for `usize`
error: aborting due to previous error

error[E0308]: mismatched types
 --> src/main.rs:3:20
 |
3 | do_something(x);
 | ^ expected `usize`, found `i32`
 |
help: you can convert an `i32` to a `usize` and panic if the converted value doesn't fit
 |
3 | do_something(x.try_into().unwrap());
 | ^^^^^^^^^^^^^^^^^^^^^

 |
2 | for x in -5..5 {
 | ^^ the trait `Neg` is not implemented for `usize`
 |
help: type `usize` was inferred due to call on line 3
 |
3 | do_something(x);
 | ^