strong/weak typing and pointers
grante at visi.com
Thu Oct 28 21:07:45 CEST 2004
On 2004-10-28, Diez B. Roggisch <deetsNOSPAM at web.de> wrote:
> It seems that you mistake strong/weak typing with
> static/dynamic typing - a completely different beast.
> Python is in fact strong typed - in opposition to php or perl or even C,
> this won't work:
> a = "1" + 2
> as "1" is a string and 2 an integer.
"1" is a pointer to a char.
> And even though C is statically typed, it won't complain
That's because <pointer> + <integer> has a well-defined meaning
in C -- just like <float> + <integer> does in Python (and in C).
> - you just end up with an unexpected result.
Only people who don't know how C pointer arithmatic works will
get unexpected results. [That's probably a shockingly high
percentage of C programmers.]
Grant Edwards grante Yow! I brought my BOWLING
at BALL -- and some DRUGS!!
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