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Add a blurb about PEP 412

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Antoine Pitrou 2012-07-07 17:33:42 +02:00
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Doc/whatsnew/3.3.rst
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@ -477,6 +477,18 @@ new, more precise information::
'<function C.D.meth at 0x7f46b9fe31e0>' '<function C.D.meth at 0x7f46b9fe31e0>'
PEP 412: Key-Sharing Dictionary
===============================
:pep:`412` - Key-Sharing Dictionary
PEP written and implemented by Mark Shannon.
Dictionaries used for the storage of objects' attributes are now able to
share part of their internal storage between each other (namely, the part
which stores the keys and their respective hashes). This reduces the memory
consumption of programs creating many instances of non-builtin types.
Using importlib as the Implementation of Import Using importlib as the Implementation of Import
=============================================== ===============================================
:issue:`2377` - Replace __import__ w/ importlib.__import__ :issue:`2377` - Replace __import__ w/ importlib.__import__