Generators for the EAN family can not be instantiated

[7hommay]

The specialized classes are all declared internal, so they can't be used outside the RSBarcodes_Swift module.

class RSEAN8Generator: RSEANGenerator {
...
}

class RSEAN13Generator: RSEANGenerator {
...
}

class RSISBN13Generator: RSEAN13Generator {
...
}

class RSISSN13Generator: RSEAN13Generator {
...
}

[yeahdongcn]

Please look into https://github.com/yeahdongcn/RSBarcodes_Swift#generators-1