Re: Assign idiom
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- Subject: Re: Assign idiom
- From: Doug Rogers <rogers@...>
- Date: 2007年3月08日 12:58:46 -0500
Leigh McRae wrote:
> I am looking for something along the lines of:
> local sp = self.spBackGround = CreateSprite()
> sp:setSize( 10, 10 )
If setSize() returns the sprite, then:
self.spBackGround = CreateSprite():setSize(10, 10)
It's hard to see a way to avoid a multiple assignment to capture to a
local variable. Perhaps:
function dup(x) return x, x end
local sp
sp, self.spBackGround = dup(CreateSprite():setSize(10, 10))
Looks like that one was already suggested! You might also try:
function self:set(k, v)
self[k] = v
return v
end
local sp = self:set('spBackGround', CreateSprite()):setSize(10,10)
I think your original code is easier to read.
Doug
--
Innovative Concepts, Inc. www.innocon.com 703-893-2007 x220