From: ts <decoux@...>
Date: 2001-09-04T00:45:47+09:00
Subject: [ruby-talk:20785] Re: RCR: non-bang equivalent to []=

>>>>> "K" == Kevin Smith <kevinbsmith@yahoo.com> writes:

K> class Array
K>   def copy
K>     return []+self
K>   end
K> end

 Probably I'm missing something but you have written #clone

pigeon% ruby
class Array
   def copy
      [] + self
   end
end

a = [1, 2]
c = [1, 3]
a << c
b = a.copy
c[0] = 4
p b
^D
[1, 2, [4, 3]]
pigeon% 


Guy Decoux