foreach ... else statement

[Andrei Alexandrescu]

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).

Andrei