`fnCall` <-
function (x)
{
f <- x[2] # function name
r <- returnType (x[1]) # returntype
w <- paste (Map (returnType,x[3:length(x)]), collapse=":")
n <- ifelse (nchar (w)>0, length (x)-2, 0)
list (n=n, f=f, r=r, sig=w)
}
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