I want to read a binary file bit by bit directly but not to Vec<u8>?
To be specific, you would need to read the file into a Vec<u8> initially. Subsequently, you can make a BitSlice from it and read it bit-wise.
I have a better answer here.
I've tried the crate, but I don't find an api to read to BitSlice directly.
Couldn't one instead wrap std::io::Bytes<R> to yield bits rather than bytes, and thus Read a file bit-by-bit?
Actually, I just noticed that BitVec implements Write, which means you can do the following with a given File "object":
let mut vec = BitVec::new();
io::copy(&mut file, &mut vec);
Now you can read bitwise from vec.
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