规范代码，大量xxx=nil换成xxx=false

Zframework/background.lua

@@ -7,11 +7,11 @@ local BGlist={
 }
 local BG={
 	cur="none",
-	init=nil,
-	resize=nil,
+	init=false,
+	resize=false,
 	update=NULL,
 	draw=BGlist.none.draw,
-	event=nil,
+	event=false,
 	discard=NULL,
 }
 

Zframework/init.lua

@@ -31,7 +31,7 @@ local ins,rem=table.insert,table.remove
 local SCR=SCR
 
 local mx,my,mouseShow=-20,-20,false
-local touching=nil--First touching ID(userdata)
+local touching--First touching ID(userdata)
 local xOy=SCR.xOy
 joysticks={}
 
@@ -146,7 +146,7 @@ function love.touchmoved(id,x,y,dx,dy)
 	else
 		WIDGET.moveCursor(x,y)
 		if not WIDGET.sel then
-			touching=nil
+			touching=false
 		end
 	end
 end
@@ -156,9 +156,9 @@ function love.touchreleased(id,x,y)
 	if id==touching then
 		WIDGET.press(x,y)
 		WIDGET.release(x,y)
-		touching=nil
+		touching=false
 		if WIDGET.sel and not WIDGET.sel.keepFocus then
-			WIDGET.sel=nil
+			WIDGET.sel=false
 		end
 	end
 	if SCN.touchUp then SCN.touchUp(id,x,y)end

Zframework/scene.lua

@@ -8,33 +8,33 @@ local SCN={
 	cur="NULL",--Current scene name
 	swapping=false,--If Swapping
 	stat={
-		tar=nil,	--Swapping target
-		style=nil,	--Swapping style
-		mid=nil,	--Loading point
-		time=nil,	--Full swap time
-		draw=nil,	--Swap draw  func
+		tar=false,	--Swapping target
+		style=false,--Swapping style
+		mid=false,	--Loading point
+		time=false,	--Full swap time
+		draw=false,	--Swap draw  func
 	},
 	stack={"quit","slowFade"},--Scene stack
 
 	scenes=scenes,
 
 	--Events
-	update=nil,
-	draw=nil,
-	mouseClick=nil,
-	touchClick=nil,
-	mouseDown=nil,
-	mouseMove=nil,
-	mouseUp=nil,
-	wheelMoved=nil,
-	touchDown=nil,
-	touchUp=nil,
-	touchMove=nil,
-	keyDown=nil,
-	keyUp=nil,
-	gamepadDown=nil,
-	gamepadUp=nil,
-	socketRead=nil,
+	update=false,
+	draw=false,
+	mouseClick=false,
+	touchClick=false,
+	mouseDown=false,
+	mouseMove=false,
+	mouseUp=false,
+	wheelMoved=false,
+	touchDown=false,
+	touchUp=false,
+	touchMove=false,
+	keyDown=false,
+	keyUp=false,
+	gamepadDown=false,
+	gamepadUp=false,
+	socketRead=false,
 }--Scene datas, returned
 
 function SCN.add(name,scene)

Zframework/widget.lua

@@ -499,13 +499,13 @@ function WIDGET.newSlider(D)--name,x,y,w[,unit][,smooth][,font][,change],disp,co
 		},
 
 		unit=	D.unit or 1,
-		smooth=nil,
+		smooth=	false,
 		font=	D.font or 30,
 		change=	D.change,
 		disp=	D.disp,
 		code=	D.code,
 		hide=	D.hide,
-		show=	nil,
+		show=	false,
 	}
 	if D.smooth~=nil then
 		_.smooth=D.smooth
@@ -534,7 +534,7 @@ local selector={
 	type="selector",
 	ATV=8,--Activating time(0~4)
 	select=0,--Selected item ID
-	selText=nil,--Selected item name
+	selText=false,--Selected item name
 }
 function selector:reset()
 	self.ATV=0
@@ -787,7 +787,7 @@ function WIDGET.newTextBox(D)--name,x,y,w[,h][,font][,secret][,regex],hide
 end
 
 WIDGET.active={}--Table contains all active widgets
-WIDGET.sel=nil--Selected widget
+WIDGET.sel=false--Selected widget
 
 function WIDGET.lnk_BACK()			SCN.back()end
 function WIDGET.lnk_CUSval(k)		return function()	return CUSTOMENV[k]				end end
@@ -813,7 +813,7 @@ WIDGET.indexMeta={
 }
 function WIDGET.set(list)
 	kb.setTextInput(false)
-	WIDGET.sel=nil
+	WIDGET.sel=false
 	WIDGET.active=list or NONE
 
 	--Reset all widgets
@@ -841,7 +841,7 @@ function WIDGET.moveCursor(x,y)
 		end
 	end
 	if WIDGET.sel and not WIDGET.sel.keepFocus then
-		WIDGET.sel=nil
+		WIDGET.sel=false
 	end
 end
 function WIDGET.press(x,y)
@@ -852,7 +852,7 @@ function WIDGET.press(x,y)
 	elseif W.type=="slider"then
 		WIDGET.drag(x,y)
 	end
-	if W.hide and W.hide()then WIDGET.sel=nil end
+	if W.hide and W.hide()then WIDGET.sel=false end
 end
 function WIDGET.drag(x,y)
 	local W=WIDGET.sel
@@ -860,7 +860,7 @@ function WIDGET.drag(x,y)
 	if W.type=="slider"then
 		W:drag(x,y)
 	elseif not W:isAbove(x,y)then
-		WIDGET.sel=nil
+		WIDGET.sel=false
 	end
 end
 function WIDGET.release(x,y)