Re: ALTER design (Was: Code problems with Perform Thru Exit causes fall through)

Frank Swarbrick wrote:
I'm kind of a fan of Ruby's "unless" expression. (I'm sure other languages
have it as well:

unless condition
do_something()
end

Very nice. :)

Getting back to COBOL, I wonder what others think about this:

EVALUATE CONDITION
WHEN FALSE
PERFORM MY-PARAGRAPH
END-EVALUATE

I had never tried that... Cool!

In some ways EVALUATE simply makes IF redundant. The only thing IF saves
you is a small amount of typing.

This is true. Were I still doing COBOL every day, I believe I would find myself doing fewer and fewer IFs and more EVALUATEs. They're just so easy to change (IMO), especially when you have a system that has lots of convoluted business rules to placate different user groups... er, I mean, maintain the complex and intricate rules that uninitiated folks like me couldn't possibly grasp... er, no, that's not it either... :) You know what I mean.

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