A desperate lunge for on-topic-ness

[Steven D'Aprano]

On Mon, 22 Oct 2012 07:22:18 +1100, Chris Angelico wrote:

> On Mon, Oct 22, 2012 at 6:11 AM, Steven D'Aprano
> <steve+comp.lang.python at pearwood.info> wrote:

>>> Ahh. I totally didn't see that, I'm way too used to reading past
>>> typos.
>>
>> As a programmer, doesn't that screw up your debugging ability?
> 
> Reading-past-typos applies mainly to English, which is a pretty
> redundant language. In code, it would only apply to variable names; with
> (effectively) single words/tokens standing alone, the automatic
> correction doesn't really apply. But yes, sometimes I have stared at a
> piece of code for a long time without knowing why there's an error on
> line X. (This is another good reason to require that all variables be
> declared, incidentally. I might have a variable called "source" but not
> "souce", so using the other causes an instant compile-time failure on
> the exact line with the bug.)

"Another" good reason?

For languages without static types, what other reasons for declaring 
variables are there?



-- 
Steven