Method page_up

objdiff-cli/src/views/function_diff.rs:498–500

(&mut self, half: bool)

    }

    fn page_up(&mut self, half: bool) {
        self.scroll_y = self.scroll_y.saturating_sub(self.per_page / if half { 2 } else { 1 });
    }

    fn page_down(&mut self, half: bool) {
        self.scroll_y += self.per_page / if half { 2 } else { 1 };