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use std::thread;
use std::time::Duration;
use rand::{thread_rng, Rng};
use rustyline::{DefaultEditor, ExternalPrinter, Result};
fn main() -> Result<()> {
let mut rl = DefaultEditor::new()?;
let mut printer = rl.create_external_printer()?;
thread::spawn(move || {
let mut rng = thread_rng();
let mut i = 0usize;
loop {
printer
.print(format!("External message #{i}"))
.expect("External print failure");
let wait_ms = rng.gen_range(1000..10000);
thread::sleep(Duration::from_millis(wait_ms));
i += 1;
}
});
loop {
let line = rl.readline("> ")?;
rl.add_history_entry(line.as_str())?;
println!("Line: {line}");
}
}
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