src/test/ui/issues/issue-24533.rs

   1 // run-pass
   2 #![allow(unused_must_use)]
   3 use std::slice::Iter;
   4 use std::io::{Error, ErrorKind, Result};
   5 use std::vec::*;
   6
   7 fn foo(it: &mut Iter<u8>) -> Result<u8> {
   8     Ok(*it.next().unwrap())
   9 }
  10
  11 fn bar() -> Result<u8> {
  12     let data: Vec<u8> = Vec::new();
  13
  14     if true {
  15         return Err(Error::new(ErrorKind::NotFound, "msg"));
  16     }
  17
  18     let mut it = data.iter();
  19     foo(&mut it)
  20 }
  21
  22 fn main() {
  23     bar();
  24 }