rust-clippy/tests/ui/issue_2356.rs

26 lines
511 B
Rust

// run-rustfix
#![deny(clippy::while_let_on_iterator)]
#![allow(unused_mut)]
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());
}