[issue23699] Add a macro to ease writing rich comparisons
Petr Viktorin
report at bugs.python.org
Fri Mar 20 15:33:30 CET 2015
Petr Viktorin added the comment:
Making it a function might help with the following issues:
- series of comparisons and PyBool_FromLong is less efficient than switch and Py_RETURN_*. But it would add a function call.
- it might be too complex for a macro
Do you think that would help?
As for the signature, I would like this to mirror richcmpfunc and PyObject_RichCompareBool. And returning PyObjexct*, not 0/1, is an important part of reducing boilerplate; in cases where 0/1 would be helpful you can easily work with cmp-style -1/0/1 values before using this to convert them.
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<http://bugs.python.org/issue23699>
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