rust_warrior/
ui.rs

1//! contains some helper functions for prompting input from the player
2
3use std::io;
4use std::io::prelude::*;
5
6pub fn select_level() -> usize {
7    loop {
8        let response = request("Choose level to play [1-9] ");
9        if let Ok(n) = response.parse::<usize>() {
10            if (1..=9).contains(&n) {
11                break n;
12            }
13        }
14        println!("{} is not a valid level.", response);
15    }
16}
17
18/// Helper function for prompting the player with a yes/no question
19pub fn ask(message: &str) -> bool {
20    let mut message = message.to_owned();
21    message.push_str(" [y/n] ");
22    request(&message).to_lowercase() == "y"
23}
24
25/// Helper function for prompting the player for a response
26pub fn request(message: &str) -> String {
27    print!("{}", message);
28    io::stdout().flush().unwrap();
29    let mut response = String::new();
30    io::stdin().read_line(&mut response).unwrap();
31    response.trim().to_string()
32}
rust_warrior/ui.rs

rust_warrior/
ui.rs
