| //@ run-pass | |
| use std::iter::{Fuse, Cloned}; | |
| use std::slice::Iter; | |
| struct Foo<'a, T: 'a>(#[allow(dead_code)] &'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(); | |
| } |