[pypy-issue] [issue835] Different behaviors of 'is' and '==' than cpython
Amaury Forgeot d Arc
tracker at bugs.pypy.org
Thu Aug 18 23:44:57 CEST 2011
Amaury Forgeot d Arc <amauryfa at gmail.com> added the comment:
Even with CPython, comparing integers with 'is' is frowned upon.
This code relies on CPython sharing integer objects for small values, and can
have different results on different versions of CPython. An implementation
pypy can even choose to *not* allocate an integer object at all!
status: unread -> invalid
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