You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: ante.rb
    path of file: ./repos/quine-relay/vendor
    
    the code of the file until where you have to start completion: #!/usr/bin/env ruby
# encoding: utf-8
#
# Copyright (c) 2013 Michael Dvorkin
#
# Ante is an esoteric programming language where all you've got is
# a deck of cards.
#
# 95% of this code was developed on the way back from RubyConf 2013
# during 5-hour flight from Miami to San Francisco.
# 
### require "awesome_print"

class Array
  def rank; self[0] end
  def suit; self[1] end
  def rank=(value); self[0] = value end
  def suit=(value); self[1] = value end
end

class Ante
  def initialize()
    @♦, @♥, @♠, @♣ = 0, 0, 0, 0
    @line, @pc = 0, 0
    @code, @labels = [], {}
  end

  def run(source)
    parse(source)
    ### ap @code; ap @labels

    while card = @code[@pc]
      @pc += 1
      case card.rank
      when nil then newline(card)
      when "K" then jump(card)
      when "Q" then next
      when "J" then dump(card, :char)
      when 10  then dump(card)
      else          assign(card)
      end
    end
  end

  def parse(source)
    lines = source.split("\n").map { |line| line.sub(/#.*$/, "").strip }
    ### ap lines

    # Turn source file into arr
    
  def rank; self[0] end
  def suit; self[1] end
  def rank=(value); self[0] = value end
  def suit=(value); self[1] = value end
end

class Ante
  def initialize()
    @♦, @♥, @♠, @♣ = 0, 0, 0, 0
    @line, @pc = 0, 0
    @code, @labels = [], {}
  end

  def run(source)
    parse(source)
    ### ap @code; ap @labels

    while card = @code[@pc]
      @pc += 1
      case card.rank
      when nil then newline(card)
      when "K" then jump(card)
      when "Q" then next
      when "J" then dump(card, :char)
      when 10  then dump(card)
      else          assign(card)
      end
    end
  end

  def parse(source)
    lines = source.split("\n").map { |line| line.sub(/#.*$/, "").strip }
    ### ap lines

    # Turn source file into array of cards. Each card is 2-item
    # array of rank and suit.
    lines.each_with_index do |line, i|
      @code += [[ nil, i + 1 ]] # <-- Line number cards have nil rank.
      @code += line.scan(/(10|[2-9JQKA])([♦♥♠♣])/)
    end

    # A pass to convert ranks to Fixnum and extract labels.
    pc = 0
    while card = @code[pc]
      pc += 1
      if card.rank =~ /\d/
        card.rank = card.rank.to_i
      elsif card.rank == "Q"
        queen = card.suit
        while @code[pc] && @code[pc].rank == "Q" && @code[pc].suit == card.suit
          queen += card.suit
          pc += 1
        end
        @labels[queen] = pc
      end