Regarding the def syntax, there's a PEP that covers what you're looking for:

http://mail.python.org/pipermail/python-dev/2004-February/042851.html

Aaron

I know. But if Guido likes the "list of decorators on the line preceding the function/method definition" syntax, that's what we'll get.

I'm not worried. It looks wrong to me at the moment, but I find that I almost always end up coming around to Guido's way of seeing things in the end. He has an irritating habit of being right all the time. Well, *almost* all the time, anyway.

I found "a list on the line before" to be very disconcerting at first. But the more I play with it, the better I like it. And the fact that it looks quite similar to what C# has is a convenient coincidence.

well, delimiters does not need to be useless.
If the language is expression oriented you may see code added in the end just logically, say, with statement modifiers:

def f
...
end if NEED_F_REDEFINED

Sorry, Gabriele, but I have *no* idea what that's all about. Conditioned ends? The mind boggles!

WRT Michele Simionato's command-line Parsing recipe, I've seen the same trick used in shell scripts. You just put a nice header comment at the start, ending with "##", and add two lines that look somewhat like this:

me=$0
function usage { sed -n '2,/^##$/s/^# //p' $me ; exit 1; }

(This works in zsh, haven't tried other shells, but most of them could do similar stuff.)

simon: if you enter the 'everything is an expression' mood you'll understand that that code mean
'define method "f" if you need it'.

Actually, I have to agree, that was not a so good example.
And Actually I can't think of any ATM :)
Apart from allowing just the existence of eval() over eval()+exec() in languages that does not separate statements and expressions.

maybe this:
[1,2,3].map do |i|
i**2
end.reject do |i|
i%2 == 2
end

(yes I know that a list comprehension does this cleaner it's just an example of using delimiters to concatenate syntax)

I really believe a mixed significant-space/optional delimeters syntax would be the best thing, haskell does like this IIRC

That's easy enough, Gabriele:

if some_condition:
    def some_function(argument):
        pass

Significant spaces *and* delimiters? Thanks, but no thanks. TOOWTDI.

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