[R] Test for list membership

[Marcin Wlodarczak]

Hi,

I need some help with this one: how do I check whether a vector is
already present in a list of vectors.

I have seen %in% recommended in a similar case but that obviously does
not work here.

c(1,2,3) %in% list(c(1,2,3), c(4,5,6))

returns

[1] FALSE FALSE FALSE

which makes sense since 1, 2 or 3 are not elements of that list. I don't
really know how to move from there though.

Best wishes,
Marcin