pub fn is_root() -> bool
Returns true if user is root; false otherwise
true
false
use is_root::is_root; if is_root() { println!("Doing something dangerous") } else { eprintln!("Run me as root") }
3fn main() { 4 if is_root() { 5 println!("You are root"); 6 } else { 7 println!("You are not root") 8 } 9}