Is [] mandatory for array operations?

[bearophile]

Robert Jacques:
> Do you have some specific examples in mind?

I have tons of specific examples in mind :-)
I have written some things here, and I'd like to write one more time about this:

http://www.digitalmars.com/webnews/newsgroups.php?art_group=digitalmars.D&article_id=87311

http://www.digitalmars.com/webnews/newsgroups.php?art_group=digitalmars.D&article_id=109376

http://www.digitalmars.com/webnews/newsgroups.php?art_group=digitalmars.D&article_id=109432

Bye,
bearophile