| // Copyright 2017 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| use std::iter::{Fuse, Cloned}; |
| use std::slice::Iter; |
| |
| struct Foo<'a, T: 'a>(&'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 = 0 as *mut <Fuse<Cloned<Iter<u8>>> as Iterator>::Item; |
| |
| copy_ex(); |
| } |
