extern crate cursive;
use cursive::views::TextView;
use cursive::Cursive;
use cursive_multiplex::Mux;
fn main() {
let mut siv = Cursive::default();
let mut mux = Mux::new();
let up = mux
.add_right_of(TextView::new("Up"), mux.root().build().unwrap())
.expect("Up failed");
let down = mux
.add_above(TextView::new("Down"), up)
.expect("Left failed");
mux.switch_views(up, down).expect("switch failed");
siv.add_fullscreen_layer(mux);
siv.run();
}