new

# File activesupport/lib/active_support/evented_file_update_checker.rb, line 38
    def initialize(files, dirs = {}, &block)
      unless block
        raise ArgumentError, "A block is required to initialize an EventedFileUpdateChecker"
      end

      @block = block
      @core = Core.new(files, dirs)
      ObjectSpace.define_finalizer(self, @core.finalizer)
    end