整理代码，使用TABLE.find

Zframework/init.lua

@@ -273,12 +273,10 @@ function love.joystickadded(JS)
 	joysticks[#joysticks+1]=JS
 end
 function love.joystickremoved(JS)
-	for i=1,#joysticks do
-		if joysticks[i]==JS then
-			rem(joysticks,i)
-			LOG.print("Joystick removed",COLOR.Y)
-			return
-		end
+	local i=TABLE.find(joysticks,JS)
+	if i then
+		rem(joysticks,i)
+		LOG.print("Joystick removed",COLOR.Y)
 	end
 end
 local keyMirror={

Zframework/widget.lua

@@ -589,17 +589,15 @@ local selector={
 }
 function selector:reset()
 	self.ATV=0
-	local V=self.disp()
-	local L=self.list
-	for i=1,#L do
-		if L[i]==V then
-			self.select=i
-			self.selText=self.list[i]
-			return
-		end
+	local V,L=self.disp(),self.list
+	local i=TABLE.find(L,V)
+	if i then
+		self.select=i
+		self.selText=self.list[i]
+	else
+		self.hide=true
+		LOG.print("Selector "..self.name.." dead, disp= "..tostring(V),'warn')
 	end
-	self.hide=true
-	LOG.print("Selector "..self.name.." dead, disp= "..tostring(V),'warn')
 end
 function selector:isAbove(x,y)
 	return