[Python-ideas] Pattern matching

[Chris Angelico]

On Wed, Apr 8, 2015 at 7:10 AM, Andrew Barnert
<abarnert at yahoo.com.dmarc.invalid> wrote:
> The smaller problem is that in Python, only functions (and classes and modules) have scope; the idea of a name bound "locally" is tricky. There's a bit of hackery around except clauses...
>

FWIW it's not hackery around scope at all - it's simply that the name
gets unbound:

>>> e = 2.71828
>>> try: 1/0
... except ZeroDivisionError as e: print("1/0!")
...
1/0!
>>> e
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'e' is not defined

ChrisA