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我的代码产生unexpected kRETURN错误。我认为这是一个 HAML 问题,但我不知道为什么或如何解决它:

SyntaxError in MeasurementsController#index 
D:/myAppName/app/helpers/application_helper.rb:1: syntax error, unexpected kRETURN

应用程序/helpers/application_helper.rb:

module ApplicationHelper

  def flash_helper
    return if flash.blank?
    out = ""
    flash.each do |key, msg|
      out += "<div class='flash #{key}'>#{msg}</div>"
    end
    raw out
  end  

  def comment
    # do nothing (ruby functions will always take a block)
  end

  def assets_server
    case Rails.env
    when /production|_prod|prd/i
      "assets"
    when /tqa/i
      "assets-tqa"
    else
      "assets-dev"
    end
  end

end

我安装了这些宝石:

  • 哈姆 (3.1.2, 3.0.25)
  • haml-rails (0.3.4)
  • 导轨(3.2.6、3.2.3、3.1.0、3.0.7、3.0.1)
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