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Home > RGSS Script Reference > Nil

Nil


Description: "Nil" is a special term for "nothing". This is the value contained in uninitialized variables. It is often important to check and see if a variable is nil before doing an operation on it, to prevent errors from being raised.

Code Sample:
def phase3_next_actor
    begin
      if @active_battler != nil
        @active_battler.blink = false
      end
      if @actor_index == $game_party.actors.size-1
        start_phase4
        return
      end
      @actor_index += 1
      @active_battler = $game_party.actors[@actor_index]
      @active_battler.blink = true
    end until @active_battler.inputable?
    phase3_setup_command_window
  end

Syntax
@
@@
$
alias
[array index]
attr_accessor
attr_reader
attr_writer
class
def
do
ensure
for
if
[iterator]
key => value
new
next
nil
redo
require
return
rescue
self
super
undef
unless
until
while
yield

Classes
Arrow_Actor
Arrow_Base
Arrow_Enemy
Game_Actor
Game_Actors
Game_BattleAct
Game_Battler
Game_Character
Game_Common
Game_Enemy
Game_Event
Game_Map
Game_Party
Game_Picture
Game_Player
Game_Screen
Game_SlfSwitch
Game_Switches
Game_System
Game_Troop
Game_Variables
Interpreter
Scene_Debug
Scene_End
Scene_Equip
Scene_File
Scene_Gameover
Scene_Item
Scene_Load
Scene_Map
Scene_Menu
Scene_Name
Scene_Save
Scene_Shop
Scene_Skill
Scene_Status
Scene_Title
Sprite_Battler
Sprite_Character
Sprite_Picture
Sprite_Timer
Spriteset_Battle
Spriteset_Map
Window_Base
Window_Battleresult
Window_Battlestatus
Window_Command
Window_DebugLeft
Window_DebugRight
Window_EquipItem
Window_EquipLeft
Window_EquipRight
Window_Gold
Window_Help
Window_InputNumb
Window_Item
Window_MenuStatus
Window_Message
Window_NameEdit
Window_NameInput
Window_PartyCom
Window_PlayTime
Window_SaveFile
Window_Selectable
Window_ShopBuy
Window_ShopCom
Window_ShopNum
Window_ShopSell
Window_ShopStatus
Window_Skill
Window_SkillStatus
Window_Status
Window_Steps
Window_Target

Other
Class Hierarchy
Global Variables


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