def iife(*args, &block)
      filter(Rake::Pipeline::Web::Filters::IifeFilter, *args, &block)
    end
def iife(*args, &block)
      filter(Rake::Pipeline::Web::Filters::IifeFilter, *args, &block)
    end
Add a new {IifeFilter} to the pipeline.
 @see IifeFilter#initialize