1 files changed, 39 insertions, 0 deletions
diff --git a/third_party/rust/termion/examples/async.rs b/third_party/rust/termion/examples/async.rs
new file mode 100644
index 0000000000..b16bb78618
--- /dev/null
+++ b/third_party/rust/termion/examples/async.rs
@@ -0,0 +1,39 @@
+extern crate termion;
+
+use termion::raw::IntoRawMode;
+use termion::async_stdin;
+use std::io::{Read, Write, stdout};
+use std::thread;
+use std::time::Duration;
+
+fn main() {
+    let stdout = stdout();
+    let mut stdout = stdout.lock().into_raw_mode().unwrap();
+    let mut stdin = async_stdin().bytes();
+
+    write!(stdout,
+           "{}{}",
+           termion::clear::All,
+           termion::cursor::Goto(1, 1))
+            .unwrap();
+
+    loop {
+        write!(stdout, "{}", termion::clear::CurrentLine).unwrap();
+
+        let b = stdin.next();
+        write!(stdout, "\r{:?}    <- This demonstrates the async read input char. Between each update a 100 ms. is waited, simply to demonstrate the async fashion. \n\r", b).unwrap();
+        if let Some(Ok(b'q')) = b {
+            break;
+        }
+
+        stdout.flush().unwrap();
+
+        thread::sleep(Duration::from_millis(50));
+        stdout.write_all(b"# ").unwrap();
+        stdout.flush().unwrap();
+        thread::sleep(Duration::from_millis(50));
+        stdout.write_all(b"\r #").unwrap();
+        write!(stdout, "{}", termion::cursor::Goto(1, 1)).unwrap();
+        stdout.flush().unwrap();
+    }
+}