rust/tests/ui/suggestions/negative-literal-infered-to-unsigned.rs
Esteban Küber 18a36bccf5 Detect negative literal inferred to unsigned integer
```
error[E0277]: the trait bound `usize: Neg` is not satisfied
  --> $DIR/negative-literal-infered-to-unsigned.rs:2:14
   |
LL |     for x in -5..5 {
   |              ^^ the trait `Neg` is not implemented for `usize`
   |
help: consider specifying an integer type that can be negative
   |
LL |     for x in -5isize..5 {
   |                +++++
```
2025-08-30 23:28:58 +00:00

14 lines
412 B
Rust

fn main() {
for x in -5..5 {
//~^ ERROR: the trait bound `usize: Neg` is not satisfied
//~| HELP: consider specifying an integer type that can be negative
do_something(x);
}
let x = -5;
//~^ ERROR: the trait bound `usize: Neg` is not satisfied
//~| HELP: consider specifying an integer type that can be negative
do_something(x);
}
fn do_something(_val: usize) {}