On Sep 27, 2006, at 2:10 PM, Russell Campbell wrote:
My point is that the loss of a tab character - an *invisible*
character -
changes how the program operates, where as in VFP, if the
programmer gets
the code in the right spot with the right placement of the ENDIF,
the loss
of a tab at line 4 (line 4 should be in the loop) will not cause a
problem.
In Python it will cause a problem, in VFP it won't.
First, I don't quite agree that the tab is invisible. I can clearly
see that Line 4 is not part of the block. But yes, if you don't know
the code, you might make that mistake. But IMO, it's no different
than a misplaced ENDIF: the code *looks* OK, but unless you know that
Line 4 is supposed to be inside the block, you have no way of telling.
I don't like the idea
of the loss or addition of invisible characters making code run
differently.
But let me emphasize that I do like many of the other things I saw in
Python. I guess it's a matter of what someone can live with after
evaluating the entire language.
Well, I guess that the proof of the pudding...
This list, and all the others I run here, is 100% Python, and it
seems to work pretty well. BitTorrent, which by many estimates is
responsible for 1/3 the traffic on the internet today, is 100%
Python, and doing quite nicely. Dabo is 100% Python, and the only
problems we have is stupid programmer mistakes; I've never run into
the scenario you are painting. When I'm coding in Python, the
indentation matches my thought processes, and feels completely
natural. I may write a conceptual bug, but I can't ever recall one
that was due to indentation mysteriously changing.
-- Ed Leafe
-- http://leafe.com
-- http://dabodev.com
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