Ed

Array.rb

[1] pry(main)> def prdarray (arr)
[1] pry(main)*   initial = 1
[1] pry(main)*   arr.each do |i|
[1] pry(main)*     initial=initial*i
[1] pry(main)*     
[1] pry(main)*     if (i=0)
[1] pry(main)*       return puts "Elements in array must be non zero"
[1] pry(main)*     end  
[1] pry(main)*   end  
[1] pry(main)*   new_arr=[]
[1] pry(main)*   arr.each do |d|
[1] pry(main)*     y = initial/d
[1] pry(main)*     new_arr << y
[1] pry(main)*   end  
[1] pry(main)*   new_arr
[1] pry(main)* end  
(pry):6: warning: found = in conditional, should be ==
=> :prdarray
[2] pry(main)> prdarray [3,4,5]
Elements in array must be non zero
=> nil