Dear Hervé et al.
I noticed that setdiff(x, y) where 'x' is an IRangesList containing an
empty IRanges results in an error (see below). I would have expected the
function to return the IRangesList with an empty IRanges?
Many thanks for your help.
Leonard
--
> x <- IRangesList(IRanges())
> y <- IRangesList(IRanges())
>
> setdiff(x, y)
Error in ans[] <- x : replacement has length zero
>
> sessionInfo()
R version 3.3.0 Patched (2016-05-09 r70594)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Red Hat Enterprise Linux Server release 6.6 (Santiago)
locale:
[1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C
[3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8
[5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8
[7] LC_PAPER=en_US.UTF-8 LC_NAME=C
[9] LC_ADDRESS=C LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] stats4 parallel stats graphics grDevices utils datasets
[8] methods base
other attached packages:
[1] IRanges_2.8.0 S4Vectors_0.12.0 BiocGenerics_0.20.0
loaded via a namespace (and not attached):
[1] zlibbioc_1.20.0 XVector_0.14.0
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