From: Martin DeMello <martindemello@...>
Date: 2003-06-23T00:48:39+09:00
Subject: Re: String#decorate

Simon Strandgaard <0bz63fz3m1qt3001@sneakemail.com> wrote:
> On Sun, 22 Jun 2003 06:46:00 +0000, Martin DeMello wrote:
> 
>> When chaining methods, it'd be neat to have something that was passed
>> in the string and returned a 'decorated' version, e.g.
>> 
>> pp = ary.join(",").decorate {|s| "[#{s}]"}
> 
> I assume you want 'pp' to contain:  "(1),(2),(3)"  ?

No, "[1,2,3]", defining decorate merely as

class String
  def decorate
    yield self
  end
end
 
> If so then I don't think your example will work:
>  1st you join the array into a string
>  2nd you decorate each array-element  (impossible).

No, I want to decorate the *string*, as a prettier way of doing

pp = "[" << ary.join(",") << "]"

> It works a bit like 'collect' or 'map'
> 
> how about
> 
> title.capitalize.map {|t| "\t -- #{author[t]},\"#{t}\""}

No, String#each iterates over its characters.

martin