dynamic classes and duck typing

[Andrei Alexandrescu]

Leandro Lucarella wrote:
> Walter Bright, el  1 de diciembre a las 13:45 me escribiste:
>> Leandro Lucarella wrote:
>>> I develop twice as fast in Python than in D. Of course this is only me,
>>> but that's where I think Python is better than D :)
>> If that is not just because you know the Python system far better
>> than the D one, then yes indeed it is a win.
> 
> And because you have less noise (and much more and better libraries
> I guess :) in Python, less complexity to care about.
> 
> And don't get me wrong, I love D, because it's a very expressive language
> and when you need speed, you need static typing and all the low-level
> support. They are all necessary evil. All I'm saying is, when I don't need
> speed and I have to do something quickly, Python is still a far better
> language than D, because of they inherent differences.
> 
>>> I think only not having a compile cycle (no matter how fast compiling is)
>>> is a *huge* win. Having an interactive console (with embedded
>>> documentation) is another big win.
>> That makes sense.
> 
> I guess D can greatly benefit from a compiler that can compile and run
> a multiple-files program with one command (AFAIK rdmd only support one
> file programs, right?) and an interactive console that can get the ddoc
> documentation on the fly. But that's not very related to the language
> itself, I guess it's doable, the trickiest part is the interactive
> console, I guess...
> 

I'm amazed that virtually nobody uses rdmd. I can hardly fathom how I 
managed to make-do without it.

Andrei