processing int list check if a number is a part of the data structure
IntList inventory;
void setup() {
size(200, 200);
inventory = new IntList();
inventory.append(84);
inventory.append(15);
inventory.append(102);
println(inventory);
if (inventory.hasValue(15) == true) {
println("Yes, we have a '15'");
} else {
println("Sorry, no '15'");
}
}