http://greenokapi.net/blog/2009/05/04/currying-in-perl/ Perl, Haskell, stuff Fri, 30 Jul 2010 17:28:25 +0000 http://wordpress.org/?v=2.5.1 http://greenokapi.net/blog/2009/05/04/currying-in-perl/#comment-1690 Is currying monadic? - Just another lambdabananacamel, Thu, 07 May 2009 12:24:41 +0000 http://greenokapi.net/blog/?p=162#comment-1690 [...] a question that came up while I've been trying to implement currying in Perl: is Currying monadic? I've tried a couple of times, but not managed to explain what I mean very [...] Warning: preg_replace_callback() [function.preg-replace-callback]: Unknown modifier '|' in /var/www/blog/wp-content/plugins/text-control/text-control/markdown.php on line 766
]]> http://greenokapi.net/blog/2009/05/04/currying-in-perl/#comment-1684 Programmer Tue, 05 May 2009 13:25:08 +0000 http://greenokapi.net/blog/?p=162#comment-1684 And Osfameron, it's syntactic sugar and I must admit I didn't know (1 - ) would work. In either case it does end up working because of currying, but there is obviously more to it. Warning: preg_replace_callback() [function.preg-replace-callback]: Unknown modifier '|' in /var/www/blog/wp-content/plugins/text-control/text-control/markdown.php on line 766
]]> http://greenokapi.net/blog/2009/05/04/currying-in-perl/#comment-1682 Programmer Tue, 05 May 2009 13:23:30 +0000 http://greenokapi.net/blog/?p=162#comment-1682 Programming in other languages is good, and expected. Programming in horribly designed languages that have no advantages over more modern languages is neither good nor expected. Warning: preg_replace_callback() [function.preg-replace-callback]: Unknown modifier '|' in /var/www/blog/wp-content/plugins/text-control/text-control/markdown.php on line 766
]]> http://greenokapi.net/blog/2009/05/04/currying-in-perl/#comment-1681 Antti-Juhani Kaijanaho Mon, 04 May 2009 22:21:03 +0000 http://greenokapi.net/blog/?p=162#comment-1681 Planet Haskell is not about Haskell, it is about Haskell people and what they do, think and write. Many of us do in fact – *gasp* – program in other languages as well, and so we also occasionally post about other languages. There are no off topic posts. There is only the question whether the blog belongs in Planet at all. Answering that question does lead us sometimes to only feeding a part of a blog to Planet), but I prefer to avoid that, since it tends to lead to too restrictive feeds (given that we want more than just the Haskell geeking). (Speaking with my Planet Haskell admin hat on, but NOT for the whole Planet Haskell team.) Warning: preg_replace_callback() [function.preg-replace-callback]: Unknown modifier '|' in /var/www/blog/wp-content/plugins/text-control/text-control/markdown.php on line 766
]]> http://greenokapi.net/blog/2009/05/04/currying-in-perl/#comment-1680 osfameron Mon, 04 May 2009 21:06:12 +0000 http://greenokapi.net/blog/?p=162#comment-1680 Programmer: 1) Sections aren't *exactly* currying are they? Consider (1-) versus (-1). There's the implicit 'flip' depending on whether it's the Left or Right hand which is partially applied. 2) Many people in the Haskell community have been positive even about the FP-related Perl stuff I've posted, as many of the concepts and implementation details are of interest (even if these are baby steps compared to the headier delights to be found on Planet Haskell). I'll have a word with the Planet people about restricting the feed to my posts tagged "FP" (but that would still have included this post, for example). Warning: preg_replace_callback() [function.preg-replace-callback]: Unknown modifier '|' in /var/www/blog/wp-content/plugins/text-control/text-control/markdown.php on line 766
]]> http://greenokapi.net/blog/2009/05/04/currying-in-perl/#comment-1679 A hardcore Perl programmer Mon, 04 May 2009 20:41:31 +0000 http://greenokapi.net/blog/?p=162#comment-1679 Obsolete you say ... I say no . "The wise man knows he doesn’t know. The fool doesn’t know he doesn’t know." -(Lao Tzu) Warning: preg_replace_callback() [function.preg-replace-callback]: Unknown modifier '|' in /var/www/blog/wp-content/plugins/text-control/text-control/markdown.php on line 766
]]> http://greenokapi.net/blog/2009/05/04/currying-in-perl/#comment-1678 dude Mon, 04 May 2009 17:58:00 +0000 http://greenokapi.net/blog/?p=162#comment-1678 Lol, previous poster seems to have accidentally listed his name as 'Programmer' Warning: preg_replace_callback() [function.preg-replace-callback]: Unknown modifier '|' in /var/www/blog/wp-content/plugins/text-control/text-control/markdown.php on line 766
]]> http://greenokapi.net/blog/2009/05/04/currying-in-perl/#comment-1677 Programmer Mon, 04 May 2009 12:03:15 +0000 http://greenokapi.net/blog/?p=162#comment-1677 1) "Sections are currying". Putting an operator in parens makes that operator become prefix, so: (+) 1 2 is the same as 1 + 2. (+) 1 would be a partially applied function, i.e. curried. 2) What is the point of posting Perl stuff to planet Haskell? Are you trying to advertise Perl to Haskell people? Haskell people tend to want a strongly typed language and they probably want to work with something cutting edge. Not dynamically typed and obsolete. Warning: preg_replace_callback() [function.preg-replace-callback]: Unknown modifier '|' in /var/www/blog/wp-content/plugins/text-control/text-control/markdown.php on line 766
]]> http://greenokapi.net/blog/2009/05/04/currying-in-perl/#comment-1676 Dave Rolsky Mon, 04 May 2009 06:24:10 +0000 http://greenokapi.net/blog/?p=162#comment-1676 Actually, Moose could implement has() without the curring. It could just use caller() to figure out the package to which the attribute should be added. I think the currying version is a little more elegant, though. Warning: preg_replace_callback() [function.preg-replace-callback]: Unknown modifier '|' in /var/www/blog/wp-content/plugins/text-control/text-control/markdown.php on line 766
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