Add bin and edit workflow

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

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