1 or 1/0 doesn't raise an exception
google at mrabarnett.plus.com
Sun Dec 14 16:43:46 CET 2008
> 'Dive into Python' has a very memorable and interesting section on the
> exact behaviour of 'and' and 'or' in Python:
>> No: &, | (and ^, too) perform bitwise operations in Python, C and Java:
> "In complete evaluation ... both expressions are always evaluated. To
> obtain complete evaluation in Java, you use & rather than && ... and
> use | in place of ||" - Walter Savitch, Absolute Java 2nd ed.
> Although & IS the bitwise-AND operator in Java:
> I guess it's a matter of context.
Java has a bool type that's distinct from the int type. &, | and ^ are
bitwise for int and Boolean for bool, and in both cases they are strict.
&& and || are for bool only and they are lazy.
In Pascal the behaviour of "and" and "or" is implementation-dependant...
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