foreach, an analogy

[Bill Baxter]

John Reimer wrote:
> On Wed, 18 Oct 2006 20:43:13 -0700, Bill Baxter 
> <dnewsgroup at billbaxter.com> wrote:
> 
>> Gregor Richards wrote:
>>> Bill Baxter wrote:
>>
>>> The bigger door is 'for'.  'foreach' is nothing but a convenient 
>>> wrapper around 'for'.  And don't you OOphiles go telling me that your 
>>> fancy class foo that has iteration /needs/ 'foreach':
>>>   for (auto bar = foo.begin(); !(bar is null); bar = foo.iterate(bar))
>>> Is it less pretty than foreach?  Yeah.  That's why foreach exists.
>>
>> :-)  Heh heh.
>>
>>> But don't go saying that the reverse foreach is a band-aid patch, 
>>> because
>>> both forms are just convenience wrappers around the far more powerful 
>>> and useful 'for'.
>>
>> Yeh, for is like a piece of wood.  You can do anything with it. 
>> Including make a door.  But sometimes its better just to have the door 
>> pre-made.
>>
>>> Your small door is actually the screen door.
>>
>> Lots of little holes?  Maybe.  But screen doors have their uses too.
>> Much better for the summertime to help make the livin' easy. ;-)
>>
>> --bb
> 
> 
> Don't screen doors keep the bugs out? ;)
> 

LOL!  Yes, they do! ;-)

--bb