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ketmar wrote:
i thought that *every* programmers knows two rules:
* garbage in, garbage out;
* no input -- no output.
these are the basic rules, how one can write programs without
understanding such simple things?
:-)

I can't disagree with the way you put this. I also understand the purist "you are smart, its up to you" sentiment. But its not uncommon to get these questions. And yes I sometimes think "why are they asking this question? They must be bright enough to know why the info isn't there". Sometimes you can tell the developer is inexperienced, but other times you know they are experienced and for some reason they are confused by such issues.I think this often the disconnect between languages with concrete type info and the more flexible languages.

Stephen