BaseConversion.alphabet constructor
BaseConversion.alphabet({})
Constructs a BaseConversion
object with the given from
and to
alphabets.
Implementation
BaseConversion.alphabet({
required Alphabet from,
required Alphabet to,
bool zeroPadding = false,
}) : _fromAlphabet = from,
_toAlphabet = to,
_lengthFactor = __lengthFactor(from: from, to: to),
_intLengthFactor = (() {
final double lengthFactor = __lengthFactor(from: from, to: to);
int intLengthFactor = lengthFactor.truncate();
if (lengthFactor == intLengthFactor) {
return intLengthFactor;
} else {
final double invLengthFactor = (1 / lengthFactor);
intLengthFactor = -invLengthFactor.truncate();
if (invLengthFactor == -intLengthFactor) {
return intLengthFactor;
}
}
return 0;
})(),
_zeroPadding = zeroPadding;