foreach ... else statement

[Bill Baxter]

On Thu, Jan 8, 2009 at 6:46 AM, Andrei Alexandrescu
<SeeWebsiteForEmail at erdani.org> wrote:
> Bill Baxter wrote:
>>
>> On Thu, Jan 8, 2009 at 5:54 AM, Walter Bright
>> <newshound1 at digitalmars.com> wrote:
>>>
>>> Sean Kelly wrote:
>>>>>
>>>>> I keep thinking I should put on a "Compiler Construction" seminar!
>>>>
>>>> You should.  The academic courses do a good job with theory and
>>>> general application, but that isn't quite the same as one based on
>>>> practical experience.
>>>
>>> That's true. I learned the theory taking a compiler construction course
>>> at
>>> Standford, and then tried to apply it. It turns out that there's a lot
>>> they
>>> left out <g> that's needed to actually get those optimizations to work.
>>>
>>> Loop induction variables was a big one, because the theory never takes
>>> into
>>> account the fact that you're replacing a signed loop index with an
>>> unsigned
>>> loop pointer. Oops!
>>>
>>> It's like in physics class you're always dealing with frictionless brakes
>>> and pointless masses.
>>
>> You mean massless points?  Or was that deliberate?
>
> I think there were two jokes actually: frictionless brakes (used instead of
> e.g. frictionless pulleys) which is an oxymoron, and a pun on point masses
> (objects that can be approximated by a point).

Hmmm.  Oh yeh.  I'm gonna claim lack of my first morning cup o coffee
as my excuse for missing that.
Cute.

--bb