Macro google_authenticator::qr_code

macro_rules! qr_code {
    ($secret : expr, $name : expr, $title : expr, $width : expr, $height : expr,
 $level : expr) => { ... };
    ($secret : expr, $name : expr, $title : expr) => { ... };
}

A macro that can be used for convenient access to the function GoogleAuthenticator::qr_code, by providing a default of 200 to the width parameter, 200 to the height parameter, and ErrorCorrectionLevel::Medium to the level parameter.