This function is a helper function designed call `rep_len` to expand the length of a data vector, but which can dynamically retrieve N from the surrounding level call for use in fabricatr.
recycle(x, .N = NULL)Data to recycle into length `N`
the length to recycle the data to, typically provided implicitly by a or fabricate call wrapped around the function call.
A vector of data padded to length `N`