assignment: left-to-right or right-to-left evaluation?

Christopher Wright dhasenan at gmail.com
Sat May 16 05:17:03 PDT 2009


Georg Wrede wrote:
> bearophile wrote:
>> Georg Wrede:
>>
>>> arra[i] = arrb[i++];
>>> arra[i++] = arrb[i];
>>> I'm not sure that such dependences are good code.
>>> By stating a definite order between lvalue and rvalue, you
>>> would actually encourage this kind of code.
>>
>> I agree that putting such things in code is bad, but nowadays the
>> solution adopted by C is Just Wrong. To help avoid bugs from your
>> programs the language has to avoid undefined behaviors (this is one of
>> the lessons of Java).
> 
> If Walter had ulimited time, the of course I'd favor either defining the 
> precedence, or then enforcing errors on them, and not leaving them 
> undefined. 

$ su walter
$ ulimit -t unlimited



More information about the Digitalmars-d mailing list