Hi Herve,

It seems like I used to be able to coerce a list of DNA String Sets into a DNAStringSetList. With the latest build though it seems like that is no longer the case:
> dna1 <- c("AAA", "AC", "", "T", "GGATA")
> dna2 <- c("G", "TT", "C")
> foo<-DNAStringSet(dna1)
> bar<-DNAStringSet(dna2)

> DNAStringSetList(foo, bar)
DNAStringSetList of length 2
[[1]] AAA AC  T GGATA
[[2]] G TT C

> baz<-list(foo, bar)
> DNAStringSetList(baz)
Error in IRanges:::new_XVectorList_from_list_of_XVector(tmp_class, x) :
  all elements in 'x' must be DNAString objects

Thanks,
Sean

Sean Taylor
Post-doctoral Fellow
Fred Hutchinson Cancer Research Center
206-667-5544


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