captcha 1.0.0

Library for generating CAPTCHAs.
Documentation 
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extern crate captcha;

use captcha::{generate, Difficulty};
use std::fs::File;
use std::io::prelude::*;

fn main() -> std::io::Result<()> {
    let s = generate(Difficulty::Easy).as_base64().expect("Error.");
    let mut f = File::create("/tmp/captcha_base64.txt")?;
    f.write_all(s.as_bytes())
}