| // Copyright 2018 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. |
| |
| // compile-flags: -Z borrowck=mir -Z two-phase-borrows |
| |
| // run-pass |
| |
| use std::io::Result; |
| |
| struct Foo {} |
| |
| pub trait FakeRead { |
| fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize>; |
| } |
| |
| impl FakeRead for Foo { |
| fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> { |
| Ok(4) |
| } |
| } |
| |
| fn main() { |
| let mut a = Foo {}; |
| let mut v = Vec::new(); |
| a.read_to_end(&mut v); |
| } |