elements of decorator syntax suggestions

[Erik Max Francis]

Tim Peters wrote:

> Overloading a unary prefix operator is out.  As Anthony said, vertical
> bar seemed to be the leading contender on python-dev Friday.  You can
> find tedious arguments there about most of the others that would go
> for you.

Why is | superior to @?  | already has a meaning in Python, and it has
nothing to do with decorators ... at least @ has the virtue of currently
being unused in the language, and having the precedent of being used for
a similar feature in Java.

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