[Python-ideas] add a list.swap() method
jared.grubb at gmail.com
Mon Jun 29 18:57:47 CEST 2009
On 25 Jun 2009, at 17:41, Steven D'Aprano wrote:
> What you really want is a fast way of initialising a list, given
> list. That was your use-case, after all. Swapping the contents is just
> one particular implementation of that fast-initialise.
FWIW, this use case really sounds a lot like rvalue references, a new
feature being added to the new C++0x standard. The basic idea is that,
for efficiency reasons, you want to be able to "sink" the contents an
object and leave the object in a destructable (but not necessarily
This would be a tough (and probably inappropriate?) feature in Python,
but I mention it because the concept might provide further context/
justifications/trade-offs/ideas for what is being discussed here.
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