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+use tui;
+use tui::layout;
+use tui::widget::text;
+use io;
+use fmt;
+use time;
+
+export fn main() void = {
+ const out = tui::init()!;
+ defer io::close(out)!;
+ let txt = text::newtext(out, "hello world", (50, 20));
+ let l = layout::newvlayout(&txt);
+ l.layout.print(&l);
+ time::sleep(5 * time::SECOND);
+ text::settext(&txt, "bye world");
+ l.layout.print(&l);
+};