[rustc.git] / src / tools / clippy / tests / ui / issue_2356.rs

#![deny(clippy::while_let_on_iterator)]

use std::iter::Iterator;

struct Foo;

impl Foo {
    fn foo1<I: Iterator<Item = usize>>(mut it: I) {
        while let Some(_) = it.next() {
            println!("{:?}", it.size_hint());
        }
    }

    fn foo2<I: Iterator<Item = usize>>(mut it: I) {
        while let Some(e) = it.next() {
            println!("{:?}", e);
        }
    }
}

fn main() {
    Foo::foo1(vec![].into_iter());
    Foo::foo2(vec![].into_iter());
}
Commit	Line	Data
f20569fa XL	1	#![deny(clippy::while_let_on_iterator)]
	2
	3	use std::iter::Iterator;
	4
	5	struct Foo;
	6
	7	impl Foo {
	8	fn foo1<I: Iterator<Item = usize>>(mut it: I) {
	9	while let Some(_) = it.next() {
	10	println!("{:?}", it.size_hint());
	11	}
	12	}
	13
	14	fn foo2<I: Iterator<Item = usize>>(mut it: I) {
	15	while let Some(e) = it.next() {
	16	println!("{:?}", e);
	17	}
	18	}
	19	}
	20
	21	fn main() {
	22	Foo::foo1(vec![].into_iter());
	23	Foo::foo2(vec![].into_iter());
	24	}