IntToRune converts a digit 0 - 9 to the rune '0' - '9'.

New1DCode creates a new 1D barcode where the bars are represented by the bits in the bars BitList.

New1DCodeIntCheckSum creates a new 1D barcode where the bars are represented by the bits in the bars BitList.

NewBitList returns a new BitList with the given length all bits are initialize with false.

NewGaloisField creates a new galois field.

RuneToInt converts a rune between '0' and '9' to an integer between 0 and 9 If the rune is outside of this range -1 is returned.

BitList is a list that contains bits.

GaloisField encapsulates galois field arithmetics.