pub fn step(&mut self, count: usize) {
        self.cur_step += count;

        if self.progress.need_refresh() {
            self.draw(false);
        }
    }
/// Make progress for `count` iterations and redraw if necessary.
Make progress for `count` iterations and redraw if necessary.
Make progress for ` count ` iterations and redraw if necessary .
pub fn step(&mut self, count: usize) {
        self.cur_step += count;
        if self.progress.need_refresh() {
            self.draw(false);
        }
    }
pub fn step ( & mut self , count : usize ) { self . cur_step += count ; if self . progress . need_refresh ( ) { self . draw ( false ) ; } }
Make progress for `count` iterations and redraw if necessary.
Make progress for ` count ` iterations and redraw if necessary .
&mut self
count
usize