Jakt

import jakt::random
import jakt::io { print, println, read_line }
import jakt::string { String }
import jakt::utilities { to_string }
import jakt::error { Error }
import jakt::platform { arch, os }

function main() {
    println("Guess the number!")

    let secret_number = random::random_in_range(1, 101)

    loop {
        print("Please input your guess: ")
        let mut line = read_line()
        if line.is_empty() {
            break
        }
        let guess_or_error: Error? | u64 = line.to_int()

        match guess_or_error {
            error: Error => {
                println("{}", error)
                continue
            }
            guess: u64 => {
                println("You guessed: {}", guess)

                if guess < secret_number {
                    println("Too small!")
                } else if guess > secret_number {
                    println("Too big!")
                } else {
                    println("You win!")
                    break
                }
            }
        }
    }
}