| nargs {base} | R Documentation |
When used inside a function body, nargs returns the number of
arguments supplied to that function.
nargs()
tst <- function(a, b = 3, ...) {nargs()}
tst() # 0
tst(clicketyclack) # 1 (even non-existing)
tst(c1, a2, rr3) # 3
nargs()# not really meaningful