[Python-Dev] PySet API (original) (raw)

Barry Warsaw barry at python.org
Sun Mar 26 00:05:05 CET 2006

On Tue, 2006-03-21 at 22:01 -0500, Raymond Hettinger wrote:

[Me] > There is a semantic difference between > code like s+=t and s.update(t). The former only works when t is a set > and the latter works for any iterable. When the C code corresponds to > the Python code, that knowledge is kept intact and there is no confusion > between > PyNumberInPlaceAdd(s,t) vs PyObjectCallMethod(s, "update", "(O)", t).

Of course, that should have been s|=t and PyNumberInPlaceOr().

Heh, my point exactly. You wouldn't have gotten confused about PySet_Update(). :)

-Barry

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