mirror of https://github.com/rust-lang/rust
24 lines
459 B
Rust
24 lines
459 B
Rust
//@ 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();
|
|
}
|