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// run-pass
use std::iter::{Fuse, Cloned};
use std::slice::Iter;
struct Foo<'a, T: 'a>(#[allow(unused_tuple_struct_fields)] &'a T);
impl<'a, T: 'a> Copy for Foo<'a, T> {}
impl<'a, T: 'a> Clone for Foo<'a, T> {
fn clone(&self) -> Self { *self }
}
fn copy_ex() {
let s = 2;
let k1 = || s;
let upvar = Foo(&k1);
let k = || upvar;
k();
}
fn main() {
let _f: *mut <Fuse<Cloned<Iter<u8>>> as Iterator>::Item = std::ptr::null_mut();
copy_ex();
}
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