void attachFn(function<void()> autonFunction)
Sets the auton function for the selector.
Parameters
autonFunction- The function that should be run when the dials are set to the given values.
Example
PotDial dial1 = PotDial(Brain.ThreeWirePort.A, 3, 100, true);
//Runs when dial1 is 1
SelectorArr selector = SelectorArr({1});
selector.attachFn([](){
Brain.Screen.print("Auton 1");
});