Shunsuke Kanda

@KonradHoeffner Thank you for your suggestion! I'll check the code on Saturday or Sunday. Please wait a bit.

@KonradHoeffner I checked the code and agree with your suggestion. > the compiler actually can ensure it at compile time, which is great. I completely agree. We should aim to...

@KonradHoeffner (Sorry for the late reply) LGTM. Since this library is designed for 64-bit systems, there's no real benefit to keeping BitVector generalized with `usize`. I agree with your suggestion....

@KonradHoeffner > 1. change the trait and all the other datastructures back so that they return errors that never happen or > 2. make an empty structure a valid state?...