# File lib/rspec-puppet/example/function_example_group.rb, line 7
    def subject
      function_name = self.class.top_level_description.downcase

      vardir = setup_puppet

      if Puppet.version.to_f >= 4.0
        env = adapter.current_environment
        loader = Puppet::Pops::Loaders.new(env)
        func = loader.private_environment_loader.load(:function,function_name)
        return func if func
      end

      # Return the method instance for the function.  This can be used with
      # method.call
      if env
        return nil unless Puppet::Parser::Functions.function(function_name,env)
      else
        return nil unless Puppet::Parser::Functions.function(function_name)
      end
      FileUtils.rm_rf(vardir) if File.directory?(vardir)
      scope.method("function_#{function_name}".intern)
    end