Method do_move_to

std/src/console/readline.rs:264–283

Moves the cursor to a new position, scrolling if needed.

(&mut self, new_pos: usize)

    /// Moves the cursor to a new position, scrolling if needed.
    fn do_move_to(&mut self, new_pos: usize) -> io::Result<DispatchResult> {
        if new_pos == self.pos {
            return Ok(DispatchResult::Continue);
        }

        let old_pos = self.current_pos();
        let new_view_start = self.adjust_view(new_pos, self.view_start);
        if new_view_start == self.view_start {
            let delta = new_pos as i16 - self.pos as i16;
            self.console.move_within_line(delta)?;
            self.pos = new_pos;
        } else {
            let clear_len = self.rendered_len;
            self.pos = new_pos;
            self.view_start = new_view_start;
            self.sync_rendered();
            self.redraw_line(old_pos, clear_len, self.current_pos())?;
        }
        Ok(DispatchResult::Continue)
    }

    /// Accepts the current line.
    fn do_newline(&mut self) -> io::Result<DispatchResult> {