// check-pass #![feature(array_value_iter)] #![feature(trusted_len)] use std::{ array::IntoIter, fmt::Debug, iter::{ExactSizeIterator, FusedIterator, TrustedLen}, }; pub fn yes_iterator() -> impl Iterator { IntoIter::new([0i32; 32]) } pub fn yes_double_ended_iterator() -> impl DoubleEndedIterator { IntoIter::new([0i32; 32]) } pub fn yes_exact_size_iterator() -> impl ExactSizeIterator { IntoIter::new([0i32; 32]) } pub fn yes_fused_iterator() -> impl FusedIterator { IntoIter::new([0i32; 32]) } pub fn yes_trusted_len() -> impl TrustedLen { IntoIter::new([0i32; 32]) } pub fn yes_clone() -> impl Clone { IntoIter::new([0i32; 32]) } pub fn yes_debug() -> impl Debug { IntoIter::new([0i32; 32]) } fn main() {}