Hi Michael,
The use case is storing experimental metadata togther with a GRanges
object that does not fit the tabular structure of a GRange. And at a
later stage, storing multiple of these annotated GRanges objects
together as a list/GRangesList.
Best wishes
Julian
This second case is exactly what happens to the individual GRanges that
constitute the list. They are concatenated to form a single GRanges, which
is stored along side a partitioning that defines the individual elements.
There is no longer two separate GRanges objects, so there is no easy way to
keep the metadata around. It's unfortunate that an implementation detail is
exposed in this way, but it would take some effort to support this feature.
This is a property of all CompressedList derivatives. What's the use case?
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