rust/tests/ui/range.rs

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#![feature(step_by)]
#![feature(inclusive_range_syntax)]
#![feature(plugin)]
#![plugin(clippy)]
struct NotARange;
impl NotARange {
fn step_by(&self, _: u32) {}
}
#[deny(range_step_by_zero, range_zip_with_len)]
fn main() {
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(0..1).step_by(0);
// No warning for non-zero step
(0..1).step_by(1);
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(1..).step_by(0);
(1...2).step_by(0);
let x = 0..1;
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x.step_by(0);
// No error, not a range.
let y = NotARange;
y.step_by(0);
let v1 = vec![1,2,3];
let v2 = vec![4,5];
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let _x = v1.iter().zip(0..v1.len());
let _y = v1.iter().zip(0..v2.len()); // No error
}