missing0 | R Documentation |
TRUE if x
is missing or if length(x)
is 0.
missing0(x)
x |
a formal argument as for |
Only makes sense called from within another function
logical
: TRUE if x
is
missing
or if length(x)
is 0.
Spencer Graves
missing
tstFn <- function(x)missing0(x) # missing all.equal(tstFn(), TRUE) # length 0 all.equal(tstFn(logical()), TRUE) # supplied all.equal(tstFn(1), FALSE)
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