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: forum_topics_helper.rb
    path of file: ./repos/danbooru/app/helpers
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

mo
    
  def forum_post_vote_icon(vote)
    case vote.score
    when 1
      upvote_icon
    when -1
      downvote_icon
    else
      meh_icon
    end