From: William James <w_a_x_man@...>
Date: 2009-02-19T17:39:50+09:00
Subject: Re: literal syntax for array of arrays of strings

Joel VanderWerf wrote:

> 
> We have this:
> 
> a = %w{ a b c d e f }
> p a # ==> ["a", "b", "c", "d", "e", "f"]
> 
> Has anyone ever felt the need for something like
> 
> a = %t{
>   a b c
>   d e f
> } # ==> [["a", "b", "c"], ["d", "e", "f"]]
> 
> It's probably too special (this is the first time in 8 years I've
> wanted it), and it is easy to implement it as a method rather than a
> literal:
> 
> def table s
>    s.split("\n").map!{|t|t.split}
> end
> 
> t = table %q{\
>   a b c
>   d e f
> }
> 
> p t  # ==> [["a", "b", "c"], ["d", "e", "f"]]
> 
> Really just an idle question...

class Array
  def slices n
    a = []
    each_slice(n){|s| a << s}
    a
  end
end
    ==>nil
%w[a b c d e f].slices 3
    ==>[["a", "b", "c"], ["d", "e", "f"]]