[docs] [issue9117] class syntax not fully documented in reference manual

[Mark Dickinson]

Mark Dickinson <dickinsm at gmail.com> added the comment:

Yes, good plan.  I'll do that.

I'm also not sure about the 'comprehension' bit;  it's true that a comprehension is syntactically valid here (e.g., "class A(x for x in range(3))"), but it's also entirely useless:  it has to be the sole argument, so there can't be a metaclass argument, so the metaclass would have to be type.  But type (quite sensibly) won't accept a generator as a base class.

Oh well;  I suppose it doesn't *have* to make sense to be valid syntax...

This still leaves the hard part, which is distilling the essence of PEP 3115 and adding it to the reference manual.

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<http://bugs.python.org/issue9117>
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