/// Err("This is returned from `main`, leading to panic")?;
/// Ok::<(), &'static str>(())
/// ```
-///
-/// This also works with `Option<()>`s now:
-///
-/// ```rust
-/// Some(())
-/// ```
-///
-/// ```rust,should_panic
-/// let x: &[u32] = &[];
-/// let _ = x.iter().next()?;
-/// Some(())
-/// ```
pub fn check_process_termination() {}