Re: Balanced trees (was: Re: Tuples and immutability)

2014-03-08 Thread Dan Stromberg
On Sat, Mar 8, 2014 at 12:34 AM, Marko Rauhamaa wrote: > Ian Kelly : > >> I already mentioned this earlier in the thread, but a balanced binary >> tree might implement += as node insertion and then return a different >> object if the balancing causes the root node to change. > > True. > > Speaking

Re: Balanced trees (was: Re: Tuples and immutability)

2014-03-08 Thread Ian Kelly
On Sat, Mar 8, 2014 at 1:34 AM, Marko Rauhamaa wrote: > Speaking of which, are there plans to add a balanced tree to the > "batteries" of Python? Timers, cache aging and the like need it. I'm > using my own AVL tree implementation, but I'm wondering why Python > still doesn't have one. None curre

Balanced trees (was: Re: Tuples and immutability)

2014-03-08 Thread Marko Rauhamaa
Ian Kelly : > I already mentioned this earlier in the thread, but a balanced binary > tree might implement += as node insertion and then return a different > object if the balancing causes the root node to change. True. Speaking of which, are there plans to add a balanced tree to the "batteries"