mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-30 16:39:26 +00:00
29 lines
593 B
Rust
29 lines
593 B
Rust
|
#[warn(clippy::iterator_step_by_zero)]
|
||
|
fn main() {
|
||
|
let _ = vec!["A", "B", "B"].iter().step_by(0);
|
||
|
let _ = "XXX".chars().step_by(0);
|
||
|
let _ = (0..1).step_by(0);
|
||
|
|
||
|
// No error, not an iterator.
|
||
|
let y = NotIterator;
|
||
|
y.step_by(0);
|
||
|
|
||
|
// No warning for non-zero step
|
||
|
let _ = (0..1).step_by(1);
|
||
|
|
||
|
let _ = (1..).step_by(0);
|
||
|
let _ = (1..=2).step_by(0);
|
||
|
|
||
|
let x = 0..1;
|
||
|
let _ = x.step_by(0);
|
||
|
|
||
|
// check const eval
|
||
|
let v1 = vec![1, 2, 3];
|
||
|
let _ = v1.iter().step_by(2 / 3);
|
||
|
}
|
||
|
|
||
|
struct NotIterator;
|
||
|
impl NotIterator {
|
||
|
fn step_by(&self, _: u32) {}
|
||
|
}
|