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Code Issues Projects Releases Packages Wiki Activity Actions 8

Added question about error from misuse of mangled names.

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Guido van Rossum 1996-10-22 03:00:43 +00:00
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@ -176,6 +176,7 @@ Here's an overview of the questions per chapter:
4.38. Q. How do I copy an object in Python? 4.38. Q. How do I copy an object in Python?
4.39. Q. How to implement persistent objects in Python? (Persistent == 4.39. Q. How to implement persistent objects in Python? (Persistent ==
automatically saved to and restored from disk.) automatically saved to and restored from disk.)
4.40. Q. I try to use __spam and I get an error about _SomeClassName__spam.
5. Extending Python 5. Extending Python
5.1. Q. Can I create my own functions in C? 5.1. Q. Can I create my own functions in C?
@ -1678,6 +1679,12 @@ A. The library module "pickle" now solves this in a very general way
windows), and the library module "shelve" uses pickle and (g)dbm to windows), and the library module "shelve" uses pickle and (g)dbm to
create presistent mappings containing arbitrary Python objects. create presistent mappings containing arbitrary Python objects.
4.40. Q. I try to use __spam and I get an error about _SomeClassName__spam.
A. Variables with double leading underscore are "mangled" to provide a
simple but effective way to define class private variables. See the
chapter "New in Release 1.4" in the Python Tutorial.
5. Extending Python 5. Extending Python
=================== ===================