qrencode 0.14.0

QR code encoder in Rust
Documentation 
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use image::Luma;
use qrencode::QrCode;

fn main() {
    // Encode some data into bits.
    let code = QrCode::new(b"01234567").unwrap();

    // Render the bits into an image.
    let image = code.render::<Luma<u8>>().build();

    // Save the image.
    image.save("/tmp/qrcode.png").unwrap();
}