Nothing
AdditionFI_W4 <- function() {
self <- environment()
class(self) <- append('AdditionFI_W4', class(self))
addNumeric <- function(x_n, y_n) x_n + y_n
addDouble <- function(x_d, y_d) x_d + y_d
addInteger <- function(x_i, y_i) x_i + y_i
divideByZero <- function(x_n) x_n / 0
generateWarning <- function(x_) 1:3 + 1:7
generateError <- function() stop('generated error')
function_return_types <- list(
function_name = c('addNumeric', 'addDouble', 'addInteger', 'generateWarning', 'generateError'),
return_value = c('x_n', 'x_d', 'x_i', 'x_i_1', 'x_i', 'x_i', 'x')
)
label <- 'erroneous function return type definition - list instead of data.table'
self
}
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