Function clierr::run_and_exit

pub fn run_and_exit<E, F>(main: F) -> ! where
    F: FnOnce() -> Result<(), E>,
    E: Into<Box<StdError>>, 

Runs a Result-returning function and exits the process with 0 if successful.

If main returns an error, it displays it (and all its causes recursively) to stderr and exists the process with 1.