On 2009-04-24, Steven D'Aprano <st...@remove-this-cybersource.com.au> wrote: > On Fri, 24 Apr 2009 03:00:26 -0700, GC-Martijn wrote: > >> Hello, >> >> I'm trying to do a if statement with a function inside it. I want to use >> that variable inside that if loop , without defining it. >> >> def Test(): >> return 'Vla' >> >> I searching something like this: >> >> if (t = Test()) == 'Vla': >> print t # Vla >> >> or >> >> if (t = Test()): >> print t # Vla > > Fortunately, there is no way of doing that with Python. This is one > source of hard-to-debug bugs that Python doesn't have.
I think this is an unfortunate consequence of choosing '=' for the assignment. They could have chosen an other token to indicate an assignment one that would have made the difference between an assignment and a comparison more visually different and thus bugs by using one while needing the other less hard to track down. So when a certain kind of bug is hard to track down because of the similarity of the tokens and not because of the specific functionality I find it unfortunate they dropped the functionality instead of making the tokens less similar. -- Antoon Pardon -- http://mail.python.org/mailman/listinfo/python-list
