/// Prints a message to stderr.
/// Does not interfere with progress bar.
Prints a message to stderr.
Does not interfere with progress bar.
Prints a message to stderr . Does not interfere with progress bar .
pub fn eprintln<I: Display>(&self, msg: I) {
        match self.progress_bar.lock().unwrap().upgrade() {
            Some(pb) if pb.is_visible() => pb.println(format!("{}", msg)),
            _ if self.log_stderr_to_stdout => println!("{}", msg),
            _ => eprintln!("{}", msg),
        }
    }
pub fn eprintln < I : Display > ( & self , msg : I ) { match self . progress_bar . lock ( ) . unwrap ( ) . upgrade ( ) { Some ( pb ) if pb . is_visible ( ) => pb . println ( format ! ( " " msg ) ) , _ if self . log_stderr_to_stdout => println ! ( " " msg ) , _ => eprintln ! ( " " msg ) , } }
Prints a message to stderr.
Prints a message to stderr .
&self
msg
I