mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-30 10:45:18 +00:00
25 lines
412 B
Rust
25 lines
412 B
Rust
//@ run-pass
|
|
#![allow(unused_must_use)]
|
|
use std::slice::Iter;
|
|
use std::io::{Error, ErrorKind, Result};
|
|
use std::vec::*;
|
|
|
|
fn foo(it: &mut Iter<u8>) -> Result<u8> {
|
|
Ok(*it.next().unwrap())
|
|
}
|
|
|
|
fn bar() -> Result<u8> {
|
|
let data: Vec<u8> = Vec::new();
|
|
|
|
if true {
|
|
return Err(Error::new(ErrorKind::NotFound, "msg"));
|
|
}
|
|
|
|
let mut it = data.iter();
|
|
foo(&mut it)
|
|
}
|
|
|
|
fn main() {
|
|
bar();
|
|
}
|