qrcode-rs 0.2.0

QR code encoder in Rust，Generate QR Code matrices and images in RAW, PNG and SVG formats.
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use std::env;

pub fn main() {
    if env::args().len() == 2 {
        let arg = env::args().nth(1).unwrap();
        let code = qrcode_rs::QrCode::new(arg.as_bytes()).unwrap();

        print!("{}", code.render().dark_color("\x1b[7m  \x1b[0m").light_color("\x1b[49m  \x1b[0m").build());
    } else {
        println!("Usage: {} INPUT_TEXT", env::args().next().unwrap());
    }
}