* ext/json, test/json: merge JSON HEAD(17fe8e7)

  https://github.com/flori/json/compare/v1.8.1...17fe8e7

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49051 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/ext/json/lib/json/add/rational.rb b/ext/json/lib/json/add/rational.rb
index 867cd92f05..ee39c20e8d 100644
--- a/ext/json/lib/json/add/rational.rb
+++ b/ext/json/lib/json/add/rational.rb
@@ -4,10 +4,14 @@ end
 defined?(::Rational) or require 'rational'
 
 class Rational
+  # Deserializes JSON string by converting numerator value <tt>n</tt>,
+  # denominator value <tt>d</tt>, to a Rational object.
   def self.json_create(object)
     Rational(object['n'], object['d'])
   end
 
+  # Returns a hash, that will be turned into a JSON object and represent this
+  # object.
   def as_json(*)
     {
       JSON.create_id => self.class.name,
@@ -16,6 +20,7 @@ class Rational
     }
   end
 
+  # Stores class name (Rational) along with numerator value <tt>n</tt> and denominator value <tt>d</tt> as JSON string
   def to_json(*)
     as_json.to_json
   end