Splitter quiz / survey

[Georg Wrede]

Brad Roberts wrote:
> Without looking at the docs, code, or compiling and running a test, what will
> this do:
> 
>     foreach(x, splitter(",a,b,", ","))
>         writefln("x = %s", a);
> 
> I'll make it multiple choice:
> 
> choice 1)
>   x = a
>   x = b
> 
> choice 2)
>   x =
>   x = a
>   x = b
> 
> choice 3)
>   x = a
>   x = b
>   x =
> 
> choice 4)
>   x =
>   x = a
>   x = b
>   x =

Ehhh, one would /hope/ it's 4.

Of course, if you're making a fancy library, then the bells-and-whistles 
version might contain a way to parameterize, so that it can "skip" 
superfluos commas at the beginning and/or end. But that might be overkill.