Implemented basic functionality of setdiff

R/setdiff.R

@@ -0,0 +1,13 @@
+#' @title Set differences of two arrays
+#' @description Loosely replicates the behavior of the homonym Matlab function
+#' @param A first array
+#' @param B second awway
+#' @param legacy if `TRUE`, preserves the behavior of
+#' @return
+#' @author Waldir Leoncio
+#' @export
+setdiff <- function(A, B, legacy = FALSE) {
+	values <- sort(unique(A[is.na(match(A, B))]))
+	# browser() # TEMP
+	return(values)
+}