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Wed Feb 25 18:33:40 EST 2004 · https://mail.python.org/pipermail/python-dev/2004-February/042729.html

On Wed, 2004-02-25 at 22:37, Skip Montanaro wrote:
> I'll add another data point.  Quixote'd PTL uses almost this exact syntax to
> distinguish between PTL functions/methods which return HTML or plain text.
> The only difference is that it places the annotation before the argument
> list:
> 
>     def head [html] (title):

I think the reason why this (and the proposed method annotation syntax)
is readable is that it reads as a parenthetical note [i.e. something
that is intended to convey a bit of extra information].

It would be interesting to show

	def foo(self) [classmethod]:

to a relative python beginner and ask them the guess at the meaning.  My
hunch is that they would assume that "[classmethod]" modifies the
meaning of the function defintion in some way.  The curious could then
look up classmethod in the manual, where they would presumably find a
note about the [] syntax.

Mark Russell

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[Python-Dev] Re: new syntax for wrapping (PEP 318)