copy-on-write for dict objects?
mwh at python.net
Thu Jan 16 17:19:39 CET 2003
Matthias Oberlaender <matthias.oberlaender at REMOVE.daimlerchrysler.com> writes:
> In <7h34r89p3wp.fsf at pc150.maths.bris.ac.uk> Michael Hudson wrote:
> <snip> my stuff deleted
> > You *could* try this (untested):
*my* stuff deleted.
> Another problem with all these approaches is that they introduce a
> level of indirection. For example, I use to write 'k in d' in my
> code (which seems to be even faster than 'd.has_key(k)'. If this
> has to go through a method of my own, the speed penalty is
Only until the copy happens, though. Urgh, actually not in the code I
posted, but that's easy. Better than nothing?
Darned confusing, unless you have that magic ingredient coffee, of
which I can pay you Tuesday for a couple pounds of extra-special
grind today. -- John Mitchell, 11 Jan 1999
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