67 lines
1.8 KiB
Rust
67 lines
1.8 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Regression test for #21400 which itself was extracted from
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// stackoverflow.com/questions/28031155/is-my-borrow-checker-drunk/28031580
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fn main() {
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let mut t = Test;
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assert_eq!(t.method1("one"), Ok(1));
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assert_eq!(t.method2("two"), Ok(2));
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assert_eq!(t.test(), Ok(2));
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}
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struct Test;
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impl Test {
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fn method1(&mut self, _arg: &str) -> Result<usize, &str> {
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Ok(1)
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}
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fn method2(self: &mut Test, _arg: &str) -> Result<usize, &str> {
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Ok(2)
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}
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fn test(self: &mut Test) -> Result<usize, &str> {
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let s = format!("abcde");
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// (Originally, this invocation of method2 was saying that `s`
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// does not live long enough.)
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let data = match self.method2(&*s) {
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Ok(r) => r,
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Err(e) => return Err(e)
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};
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Ok(data)
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}
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}
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// Below is a closer match for the original test that was failing to compile
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pub struct GitConnect;
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impl GitConnect {
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fn command(self: &mut GitConnect, _s: &str) -> Result<Vec<Vec<u8>>, &str> {
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unimplemented!()
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}
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pub fn git_upload_pack(self: &mut GitConnect) -> Result<String, &str> {
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let c = format!("git-upload-pack");
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let mut out = String::new();
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let data = self.command(&c)?;
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for line in data.iter() {
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out.push_str(&format!("{:?}", line));
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}
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Ok(out)
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}
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}
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