From: Joel VanderWerf <vjoel@...>
Date: 2006-11-17T08:10:33+09:00
Subject: Re: #returning and #tap

ara.t.howard@noaa.gov wrote:
> On Fri, 17 Nov 2006, Joel VanderWerf wrote:
> 
>> dblack@wobblini.net wrote:
>>> Hi --
>>>
>>> On Fri, 17 Nov 2006, Joel VanderWerf wrote:
>>>
>>>> Coming full circle around the golf course... This last one above is 
>>>> what lead me to prefer #then (== #tap) in the first place:
>>>>
>>>> def foo
>>>>  @foo ||= Foo.new.then do |f|
>>>>    f.bar = "bar"
>>>>  end
>>>> end
>>>>
>>>> Also, #then  avoids the scoping nastiness of #instance_eval.
>>>
>>> I'm not getting the semantics of "then".  Do you mean "then" as in, "I
>>> took off my coat and then sat down", as opposed to then in if/then?
>>
>> Yes. Not much better than #tap, is it? Any ideas...? "and_then"?
> 
> class Object
> def as obj
> end

To me, "as do" doesn't read as well as "then do".

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407