dynamic classes and duck typing

[Leandro Lucarella]

Andrei Alexandrescu, el  1 de diciembre a las 11:07 me escribiste:
> Walter Bright wrote:
> >Leandro Lucarella wrote:
> >>with file(fname) as f:
> >>    x = f.read(10)
> >>    f.write(x)
> >
> >Looks like you're right, and it's a recently added new feature. I
> >suggest it proves my point - Python had to add complexity to
> >support another paradigm. Python's "with" doesn't look any simpler
> >than scope guard.
> 
> Actually "with" is an awful abstraction as defined in Java (the new
> version), C#, and Python. Scheme also has am unwind-protect
> function. I strongly believe all of the above are hopelessly
> misguided. Scope guard is the right thing, and I am convinced it
> will prevail.

Good arguments!

-- 
Leandro Lucarella (AKA luca)                     http://llucax.com.ar/
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