module WrappityWrap

# File lib/wrappity_wrap.rb, line 6
def wrap(string, column) 
  return "" if string.nil?  
   
  return string if string.length <= column 
  
  if string[0... column].index(" ") != nil
    white_space = string[0... column].rindex(" ")
    string[0... white_space] + "\n" + wrap(string[white_space+1.. -1], column)
    elsif string[column] == " "
      string[0... column] + "\n" + wrap(string[column.. -1].strip, column)
        else
          string[0... column].strip + "\n" + wrap(string[column.. -1], column)
  end 
end