Things to address for Py3K

Eric Firing efiring at hawaii.edu
Wed Oct 11 17:46:56 CDT 2006


Charles R Harris wrote:
[...]
>        b) extending 'and' and 'or' to allow element-by-element logical
>     operations or adding && and ||
> 
>     2) Lowering the precedence of & so that a > 8 & a < 10  works as you
>     would expect.
> 
> 
> Yes on the extra operators. No on changing the precedence of &, that 
> would just confuse the heck out of all us c/c++ programmers; && and || 
> would be good. 

Travis's suggestion 2 is consistent with c/c++, where precedence 
increases from logical to bitwise to relational. (e.g., 
http://www.cs.niu.edu/~duffin/csci241/precedence.html).

Python precedence now increases from logical to relational to bitwise, 
so it is inconsistent with c/c++. 
(http://docs.python.org/ref/summary.html#l2h-456)

Eric

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