Method readline

crates/vm/src/readline.rs:49–63

(&mut self, prompt: &str)

        }

        pub fn readline(&mut self, prompt: &str) -> ReadlineResult {
            use std::io::prelude::*;
            print!("{prompt}");
            if let Err(e) = io::stdout().flush() {
                return ReadlineResult::Io(e);
            }

            let next_line = io::stdin().lock().lines().next();
            match next_line {
                Some(Ok(line)) => ReadlineResult::Line(line),
                None => ReadlineResult::Eof,
                Some(Err(e)) if e.kind() == io::ErrorKind::Interrupted => ReadlineResult::Interrupt,
                Some(Err(e)) => ReadlineResult::Io(e),
            }
        }
    }
}