toggleBit method
Returns a new ByteConverter with the bit at index toggled.
Implementation
ByteConverter toggleBit(int index) {
if (index < 0 || index >= 64) {
throw RangeError.range(index, 0, 63, 'index');
}
final newBits = _converter.bits ^ (1 << index);
return ByteConverter.withBits(newBits);
}