You know what Barney, you won this one. I hate to admit it, but I was wrong about the error handling benefit. I concede on that point. :-)

However I still feel that the benefit of knowing what types the vared variables are at a glance is still valid. I guess it could be argued that a naming convention would work.

Barney Boisvert wrote:

At the very least, it knows that the application doesn't want to be told if
the query fails.  What if the application DOES need to know that, because
it'll react differently than if the query succeeds?

Say you're a teacher.  You tell your assistant "go get me the tests I need
to grade."  He comes back with an emtpy box and gives it to you.  Lets hope
you don't care if he failed at his task or if there just weren't any test to
grade, because you don't get to make that distinction, your assistant is
making it for you, without any input from you.
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