Arrays
in [Ruby]
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From: Robert Klemme on 25 Mar 2010 18:17 2010/3/25 Brandon Jones <brandon.g.jones(a)gmail.com>: > Robert Klemme wrote: >> Even shorter (6 chars if I'm not mistaken): >> >> a = %w{123 456 raju} >> a.map!{|x|"91#{x}"} >> >> ;-) >> >> Kind regards >> >> robert > > oh yeah?!? well take this > > %w(123 456 raju).map{|x|"91#{x}"} > > not exactly the same, as there is no persistent variable, but it is a > bit shorter You're absolutely right. My main point - which I failed to mention - was, that arrays of strings can be easier represented with the %w notation. This works of course only if strings need not contain white space. Kind regards robert -- remember.guy do |as, often| as.you_can - without end http://blog.rubybestpractices.com/
From: jbw on 29 Mar 2010 22:29 [Note: parts of this message were removed to make it a legal post.] On Thu, Mar 25, 2010 at 11:17 PM, Robert Klemme <shortcutter(a)googlemail.com>wrote: > 2010/3/25 Brandon Jones <brandon.g.jones(a)gmail.com>: > > Robert Klemme wrote: > >> Even shorter (6 chars if I'm not mistaken): > >> > >> a = %w{123 456 raju} > >> a.map!{|x|"91#{x}"} > >> > >> ;-) > >> > >> Kind regards > >> > >> robert > > > > oh yeah?!? well take this > > > > %w(123 456 raju).map{|x|"91#{x}"} > > > > not exactly the same, as there is no persistent variable, but it is a > > bit shorter > > You're absolutely right. My main point - which I failed to mention - > was, that arrays of strings can be easier represented with the %w > notation. This works of course only if strings need not contain white > space. > > Kind regards > > robert > > > -- > remember.guy do |as, often| as.you_can - without end > http://blog.rubybestpractices.com/ > > I think %w[] would be more syntactically meaningful than curly braces, square brackets remind us of arrays. I think it is especially important when using shortcuts, which can be obscure, to be as clear as possible. -- jbw
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