Movatterモバイル変換
[0]ホーム
Python style questions
Jeremy R Van Harenvanharen at cycletime.com
Fri Apr 6 03:40:50 EDT 2001
Michael Hudson wrote:>> Tim Roberts <timr at probo.com> writes:>> > Joshua Marshall <jmarshal at mathworks.com> wrote:> > >> > >A switch statement may just be syntactic sugar, but not necessarily in> > >a simple way. A good compiler will compile switch statements into> > >jump-tables or, at worst, binary searches. Cluttery to code by hand.> > >> > >Sure this is "just" an efficiency thing, but switches can get quite big.> >> > But Python, at least today, is not compiled.>> Yes it is (at least in this context).>> > Switch statements in an interpreted language are not as big of a> > "win".>> There's no reason that the bytecode compiler couldn't do binary search> jiggery-pokery, although if I was doing it, I'd probably use a> dictionary.>> Cheers,> M.>> --> MGM will not get your whites whiter or your colors brighter.> It will, however, sit there and look spiffy while sucking down> a major honking wad of RAM. --http://www.xiph.org/mgm/Actually, switch "implementation" above that uses dictionary's which ishashed. So a supported switch statement should be able to do hash aswell.
More information about the Python-listmailing list
[8]ページ先頭