Python and Flaming Thunder

[MRAB]

On May 21, 8:34 pm, Dave Parker <davepar... at flamingthunder.com> wrote:
> On May 21, 1:14 pm, MRAB <goo... at mrabarnett.plus.com> wrote:
>
> > I wonder whether "is" could be used both for "x is value" and "x is a
> > type" without causing a problem:
>
> > If command is a string ...
>
> > If command is "quit" ...
>
> I think you are right.  I like "If command is "quit" ...".  For a user
> who wasn't mathemetically inclined and was doing mainly string
> manipulation, I think it might be easier to read than the equivalent
> "If command = "quit" ...".  By making them exactly equivalent, I can't
> think of any confusion that might induce bugs.  If you think of any
> drawbacks, please let me know.
>
I've thought of one possible drawback: "a" and "an" can be used as
variables, so the "is a" part might cause a problem. You'd need to
check the parser to find out...

> Otherwise, I'll put it in the next
> time I update the parser (probably this weekend).  Thank you again for
> your suggestions.