[Python-Dev] 2.4a2, and @decorators

[Raymond Hettinger]

> > The only real necessary restriction on the @ operator is that its
> > argument be callable and take a single argument. Many expressions
could
> > return a callable object. Why not let them? Is it really worth
having a
> > special case just to SyntaxError expressions that sometimes won't
result
> > in an appropriate callable?
> >
> > Things someone might want to do, ordered roughly from most
reasonable to
> > least reasonable ;)
> > @foo().bar()
> > @foo or bar
> > @mydecorators['foo']
> > @lambda f: foo(f) or bar(f)
> >
> > Why disallow these forms? It seems quite difficult, especially, to
> > explain why the first one does not, or should not, work.
> >
> > James
> >
> 
>    For what it's worth, I agree with James completely.
> 
>    Jp

I concur.


Raymond