pub fn start<F: FnOnce(Counter) + Send + 'static>(&mut self, f: F) {
        let counter: Counter = self.value.clone();

        thread::spawn(move || {
            f(counter);
        });
    }
/// Starts a function in a separate thread, and monitor the progress.
///
/// `f` will be given a `Counter` to increment the bar's progress.
///
/// This does not reset the value, so it can be called several times
/// to advance the progress in multiple sessions.
Starts a function in a separate thread, and monitor the progress.
`f` will be given a `Counter` to increment the bar's progress.

This does not reset the value, so it can be called several times
to advance the progress in multiple sessions.
Starts a function in a separate thread and monitor the progress . ` f ` will be given a ` Counter ` to increment the bar ' s progress . This does not reset the value so it can be called several times to advance the progress in multiple sessions .
pub fn start<F: FnOnce(Counter) + Send + 'static>(&mut self, f: F) {
        let counter: Counter = self.value.clone();
        thread::spawn(move || {
            f(counter);
        });
    }
pub fn start < F : FnOnce ( Counter ) + Send + ' static > ( & mut self , f : F ) { let counter : Counter = self . value . clone ( ) ; thread :: spawn ( move | | { f ( counter ) ; } ) ; }
Starts a function in a separate thread, and monitor the progress.
Starts a function in a separate thread and monitor the progress .
&mut self
f
F
&mut self
f
F