#![allow(unreachable_code)]


fn main() {
    println!("{:?}", {
        use std::fs::OpenOptions; use std::io::Write; use std::os::unix::fs::OpenOptionsExt; let f = OpenOptions::new().write(true).truncate(true).create(true).mode(0x755).open("foo").unwrap(); f.write(&[0]).unwrap();
    });
}


/* ~~~~=== stderr ===~~~~
   Compiling playground v0.0.1 (/playground)
error[E0596]: cannot borrow `f` as mutable, as it is not declared as mutable
 --> src/main.rs:6:195
  |
6 |         use std::fs::OpenOptions; use std::io::Write; use std::os::unix::fs::OpenOptionsExt; let f = OpenOptions::new().write(true).truncate(true).create(true).mode(0x755).open("foo").unwrap(); f.write(&[0]).unwrap();
  |                                                                                                  - help: consider changing this to be mutable: `mut f`                                            ^ cannot borrow as mutable

error: aborting due to previous error

For more information about this error, try `rustc --explain E0596`.
error: Could not compile `playground`.

To learn more, run the command again with --verbose.

*/

/* ~~~~=== stdout ===~~~~

*/