Has anybody found a good solution for lazily-evaluated lists in Perl? I've tried a number of ways to turn something like for my $item ( map { ... } @list ) { } into a lazy evaluation--by tie-ing @list, for example. I'm trying to avoid breaking down and writing a source filter to do it, because they mess with your ability to debug t...
I understand that Smart::Comments should not be used in production code, since it is a source filter. However, I have been using Smart::Comments in my development code and then commenting out the "use" line before sending the code to production. Given that I'm going to use it in my development code, what I should specifically be conce...
It is "common knowledge" that source filters are bad and should not be used in production code. When answering a a similar, but more specific question I couldn't find any good references that explain clearly why filters are bad and when they can be safely used. I think now is time to create one. Why are source filters bad? When is it...