Re: linked list rewrite
От | Bruce Momjian |
---|---|
Тема | Re: linked list rewrite |
Дата | |
Msg-id | 200403240000.i2O00xg12015@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: linked list rewrite (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
Tom Lane wrote: > Bruce Momjian <pgman@candle.pha.pa.us> writes: > > What does the 'n' stand for in ncons? I also felt that lcons > > (construct) and nconc(concat) were too similarly named. > > I think nconc is a direct copy from the Lisp original; whatever its > origins are, they're back in Lisp prehistory. I don't mind renaming > that one ;-) I found out why it is called Nconc:The name comes from CommonLisp: 'conc' for 'concatenate', prefixed bythe 'n' which signalsa dangerous function modifying existing lists.(Think of as as n-for-nuke.) from: http://www.muq.org/~cynbe/muq/mufref_437.html -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001+ If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania19073
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