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issue-70586.rs
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issue-70586.rs
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//@ check-pass
use std::marker::PhantomData;
// This namespace is necessary for the ICE to trigger
struct Namespace;
impl Namespace {
pub fn const_chunks_exact<T, const N: usize>() -> ConstChunksExact<'static, T, N> {
ConstChunksExact { inner: PhantomData }
}
}
#[derive(Debug)]
pub struct ConstChunksExact<'a, T, const N: usize> {
inner: PhantomData<&'a T>
}
impl <'a, T, const N: usize> Iterator for ConstChunksExact<'a, T, { N }> {
type Item = &'a [T; N];
fn next(&mut self) -> Option<Self::Item> {
unreachable!()
}
}
fn main() {
let mut chunks = Namespace::const_chunks_exact::<i32, 3usize>();
let _next: &[i32; 3] = chunks.next().unwrap();
}
// ferrocene-annotations: fls_e1pgdlv81vul
// Implementation conformance
//
// ferrocene-annotations: fls_fk2m2irwpeof
// Implementations
//
// ferrocene-annotations: fls_yqcygq3y6m5j
// Lifetime
//
// ferrocene-annotations: fls_85vx1qfa061i
// Traits