Returns whether the player's target is in range of an action
See also Action functions.
Signature:
inRange = IsActionInRange(slot [, "unit"])
Arguments:
slot- An action bar slot (number, actionID)unit- A unit to target with the action (string, unitID)
Returns:
inRange- 1 if the player's target is in range for the action or 0 if out of range; nil if the action cannot be used on the player's target regardless of range (number)