Without being rude...

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Post #195,026 by pwhysall 2/16/05 3:09:31 PM Reply	Without being rude... ...what the devil IS that thing? Peter [link\|http://www.ubuntulinux.org\|Ubuntu Linux] [link\|http://www.kuro5hin.org\|There is no K5 Cabal] [link\|http://guildenstern.dyndns.org\|Home] Use P2P for legitimate purposes!
Post #195,029 by ChrisR 2/16/05 3:18:57 PM 2/16/05 3:23:52 PM Reply	A recursive anonymous function... ...that takes a function as an argument and returns the function applied to the original function. Or in lambda terminology: λx.x(λx) [edit: The Y combinator is a good test of how well closures are implemented]. Edited by ChrisR Feb. 16, 2005, 03:23:52 PM EST Expand All History
Post #195,031 by pwhysall 2/16/05 3:34:25 PM Reply	Is it just interesting, or is it useful? I would imagine such a thing would have to be carefully used if one is to avoid unpleasant runaway circumstances. Peter [link\|http://www.ubuntulinux.org\|Ubuntu Linux] [link\|http://www.kuro5hin.org\|There is no K5 Cabal] [link\|http://guildenstern.dyndns.org\|Home] Use P2P for legitimate purposes!
Post #195,033 by ChrisR 2/16/05 4:02:59 PM Reply	Well, in Java it's pretty useless.
Post #195,039 by jake123 2/16/05 5:16:04 PM Reply	It's a pretty basic feature found in functional languages like haskell. How useful it would be in the context of a language like java, I don't know. You might make it part of an interpreter for a functional language implemented in java... --\n-------------------------------------------------------------------\n* Jack Troughton jake at consultron.ca \n [link\|http://consultron.ca\|http://consultron.ca] [link\|irc://irc.ecomstation.ca\|irc://irc.ecomstation.ca] \n Kingston Ontario Canada [link\|news://news.consultron.ca\|news://news.consultron.ca] *\n-------------------------------------------------------------------

OT: Inner/outer classes. - (pwhysall) - (30) - Feb. 14, 2005, 05:27:22 AM EST

Simple explanation: - (admin) - Feb. 14, 2005, 08:13:23 AM EST

Wheras an "outer" class is just an ordinary class. -NT - (CRConrad) - Feb. 14, 2005, 10:26:56 AM EST

There's some other types as well - (ChrisR) - Feb. 14, 2005, 11:44:54 AM EST

Also how Java fakes friendship - (tuberculosis) - Feb. 14, 2005, 12:02:43 PM EST

Inner class is declared inside another class - (Arkadiy) - Feb. 14, 2005, 12:08:47 PM EST

Thanks all - (pwhysall) - (24) - Feb. 14, 2005, 12:46:06 PM EST

Re: Thanks all - (systems) - (23) - Feb. 16, 2005, 07:11:30 AM EST

You misunderstand, on at least one issue: - (CRConrad) - (1) - Feb. 16, 2005, 09:23:42 AM EST

No, they can be used as factories as well. - (admin) - Feb. 16, 2005, 09:41:31 AM EST

s/callbacks/delegates/g - (ChrisR) - (3) - Feb. 16, 2005, 10:00:29 AM EST

Yep, one of the uglier useful things in Java. :-P -NT - (admin) - Feb. 16, 2005, 10:29:53 AM EST

ICLRPD (new thread) - (drewk) - Feb. 16, 2005, 11:37:54 AM EST

Great - another perfectly good term hijacked and hosed (new thread) - (tuberculosis) - Feb. 16, 2005, 12:11:15 PM EST

You can't do #3 - (ben_tilly) - (3) - Feb. 16, 2005, 10:29:47 AM EST

For most uses... - (admin) - (2) - Feb. 16, 2005, 10:47:59 AM EST

I did find that interesting. One major complaint down. - (ben_tilly) - (1) - Feb. 16, 2005, 11:02:12 AM EST

You'll find this interesting too - Bistro - (tuberculosis) - Feb. 16, 2005, 12:17:55 PM EST

They sorta stink as closures - (Arkadiy) - (12) - Feb. 16, 2005, 12:15:19 PM EST

You need Jim Weirich's... - (ChrisR) - (11) - Feb. 16, 2005, 03:07:11 PM EST

Without being rude... - (pwhysall) - (4) - Feb. 16, 2005, 03:09:31 PM EST

A recursive anonymous function... - (ChrisR) - (3) - Feb. 16, 2005, 03:23:52 PM EST

Is it just interesting, or is it useful? - (pwhysall) - (2) - Feb. 16, 2005, 03:34:25 PM EST

Well, in Java it's pretty useless. -NT - (ChrisR) - Feb. 16, 2005, 04:02:59 PM EST

It's a pretty basic feature found in functional languages - (jake123) - Feb. 16, 2005, 05:16:04 PM EST

Re: You need Jim Weirich's... - (JimWeirich) - (5) - Feb. 17, 2005, 04:17:32 PM EST

I've just followed the first step of execution - (Arkadiy) - (4) - Feb. 17, 2005, 05:39:07 PM EST

I understand it! - (ben_tilly) - (3) - Feb. 17, 2005, 10:24:40 PM EST

Read it out loud - (drewk) - (1) - Feb. 17, 2005, 11:01:29 PM EST

I detect glazed over eyes - (ben_tilly) - Feb. 18, 2005, 01:21:18 PM EST

This was as brilliant an explanation as I've ever seen - (Arkadiy) - Feb. 18, 2005, 10:19:36 AM EST

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