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// run-pass
// Regression test for #21400 which itself was extracted from
// stackoverflow.com/questions/28031155/is-my-borrow-checker-drunk/28031580
fn main() {
let mut t = Test;
assert_eq!(t.method1("one"), Ok(1));
assert_eq!(t.method2("two"), Ok(2));
assert_eq!(t.test(), Ok(2));
}
struct Test;
impl Test {
fn method1(&mut self, _arg: &str) -> Result<usize, &str> {
Ok(1)
}
fn method2(self: &mut Test, _arg: &str) -> Result<usize, &str> {
Ok(2)
}
fn test(self: &mut Test) -> Result<usize, &str> {
let s = format!("abcde");
// (Originally, this invocation of method2 was saying that `s`
// does not live long enough.)
let data = match self.method2(&*s) {
Ok(r) => r,
Err(e) => return Err(e)
};
Ok(data)
}
}
// Below is a closer match for the original test that was failing to compile
pub struct GitConnect;
impl GitConnect {
fn command(self: &mut GitConnect, _s: &str) -> Result<Vec<Vec<u8>>, &str> {
unimplemented!()
}
pub fn git_upload_pack(self: &mut GitConnect) -> Result<String, &str> {
let c = format!("git-upload-pack");
let mut out = String::new();
let data = self.command(&c)?;
for line in data.iter() {
out.push_str(&format!("{:?}", line));
}
Ok(out)
}
}
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