I meant if you're trying to *implement* serialisation. The Bits class allows you to access bits one by one, but surely you'd want some way to know how many bits you need to keep?I think that falls into the realm of protocol design; if you're doing it in your program at runtime, you're probably doing it wrong. (The fixed size version makes sense for marshaling; it's *dynamic* sizes that need to be thought out beforehand.)
If you're doing, say, cryptography, then thousand-bit random integers that need to be serialised are fairly common...
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