blob: 9ea9696511b7194ba0e330dfc8e9e69137ad4535 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
// 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);
}
|
