Add bin and edit workflow

bin/gems/pdf-reader-2.14.1/lib/pdf/reader/print_receiver.rb

@@ -0,0 +1,25 @@
+# coding: utf-8
+# typed: strict
+# frozen_string_literal: true
+
+class PDF::Reader
+  # A simple receiver that prints all operaters and parameters in the content
+  # stream of a single page.
+  #
+  class PrintReceiver
+
+    attr_accessor :callbacks
+
+    def initialize
+      @callbacks = []
+    end
+
+    def respond_to?(meth)
+      true
+    end
+
+    def method_missing(methodname, *args)
+      puts "#{methodname} => #{args.inspect}"
+    end
+  end
+end