class Diffy::Diff

def each
  lines = case @options[:include_diff_info]
  when false then diff.split("\n").reject{|x| x =~ /^(---|\+\+\+|@@|\\\\)/ }.map {|line| line + "\n" }
  when true then diff.split("\n").map {|line| line + "\n" }
  end
  if block_given?
    lines.each{|line| yield line}
  else
    lines.to_enum
  end
end