From: dblack@...
Date: 2007-06-13T04:26:48+09:00
Subject: Re: a matter of style

Hi --

On Wed, 13 Jun 2007, Robert Dober wrote:

>> Almost.  puts adds "\n" unless it's already there.  So these are
>> equivalent:
>>
>>     print "hello\n"
>>     puts "hello\n"
> Right but do you remember when I stupidly changed your code from
> puts a
> to
> puts a.join("\n")
>
> So this is another difference between print and puts, puts prints the
> content of an array seperated by newlines. print does no such thing of
> course.
>
>> particular, please have mercy and don't leave the parens out in method
>> signatures.  Things like this:
>>
>>    def a b, c, d = 1
>> 
>> read very strangely, at least to my eyes.
> I love it, I *really* read it better like this. But I guess the
> community rather puts parens :( and if you want to comply listen to
> David.
> Let us just have a look at the Ruby core as David suggests below

Another little test:

$ ruby -e 'puts
ARGF.select{|f| f =~ /^\s*def\s\w+\s+\w+/}.size' $(ruby -e 'puts
Dir["**/*.rb"]')
120

$ ruby -e 'puts
ARGF.select{|f| f =~ /^\s*def\s\w+\s+\w+/}.size' $(ruby -e 'puts
Dir["**/*.rb"].reject {|fn| fn =~ /rexml/} ')
9

:-)  I think Sean is skewing the graph :-


David

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