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            && (1..=9).contains(&n) {
11                break n;
12            }
13        println!("{} is not a valid level.", response);
14    }
15}
16
17/// Helper function for prompting the player with a yes/no question
18pub fn ask(message: &str) -> bool {
19    let mut message = message.to_owned();
20    message.push_str(" [y/n] ");
21    request(&message).to_lowercase() == "y"
22}
23
24/// Helper function for prompting the player for a response
25pub fn request(message: &str) -> String {
26    print!("{}", message);
27    io::stdout().flush().unwrap();
28    let mut response = String::new();
29    io::stdin().read_line(&mut response).unwrap();
30    response.trim().to_string()
31}
rust_warrior/ui.rs

rust_warrior/
ui.rs
