Add bin and edit workflow

bin/gems/json-2.10.2/lib/json/add/rational.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+
+class Rational
+
+  # See #as_json.
+  def self.json_create(object)
+    Rational(object['n'], object['d'])
+  end
+
+  # Methods <tt>Rational#as_json</tt> and +Rational.json_create+ may be used
+  # to serialize and deserialize a \Rational object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>Rational#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/rational'
+  #   x = Rational(2, 3).as_json
+  #   # => {"json_class"=>"Rational", "n"=>2, "d"=>3}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \Rational object:
+  #
+  #   Rational.json_create(x)
+  #   # => (2/3)
+  #
+  def as_json(*)
+    {
+      JSON.create_id => self.class.name,
+      'n'            => numerator,
+      'd'            => denominator,
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/rational'
+  #   puts Rational(2, 3).to_json
+  #
+  # Output:
+  #
+  #   {"json_class":"Rational","n":2,"d":3}
+  #
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end