rust-clippy/tests/ui/iter_next_slice.rs

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2020-05-25 16:22:01 +00:00
// run-rustfix
#![warn(clippy::iter_next_slice)]
fn main() {
// test code goes here
let s = [1, 2, 3];
let v = vec![1, 2, 3];
s.iter().next();
// Should be replaced by s.get(0)
s[2..].iter().next();
// Should be replaced by s.get(2)
v[5..].iter().next();
// Should be replaced by v.get(5)
v.iter().next();
// Should be replaced by v.get(0)
let o = Some(5);
o.iter().next();
// Shouldn't be linted since this is not a Slice or an Array
}