Hello all,
In one of the packages (phylobase) I'm contributing to, we define a class
as follows:
setClass("phylo4",
representation(edge = "matrix",
edge.length = "numeric",
label = "character",
edge.label = "character",
order = "character",
annote = "list"),
prototype = list(
edge = matrix(nrow = 0, ncol = 2,
dimname = list(NULL, c("ancestor",
"descendant"))),
edge.length = numeric(0),
label = character(0),
edge.label = character(0),
order = "unknown",
annote = list()
),
validity = checkPhylo4)
Using today's SVN checkout (r61643), building an object of the class
'phylo4' like this:
phylo4(foo, annote="bar")
doesn't return an error as it used to (given that annote is not a list).
What is now the preferred way of checking that annote is a actually a
list?
Thanks,
-- François
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