serialise symbols in add/core

1 files changed, 13 insertions, 0 deletions

diff --git a/lib/json/add/core.rb b/lib/json/add/core.rb
index ae9a4df..03a00dd 100644
--- a/lib/json/add/core.rb
+++ b/lib/json/add/core.rb
@@ -7,6 +7,19 @@ unless Object.const_defined?(:JSON) and ::JSON.const_defined?(:JSON_LOADED) and
 end
 require 'date'
 
+class Symbol
+  def to_json(*a)
+    {
+      JSON.create_id => self.class.name,
+      's' => to_s,
+    }.to_json(*a)
+  end
+
+  def self.json_create(o)
+    o['s'].to_sym
+  end
+end
+
 class Time
   def self.json_create(object)
     if usec = object.delete('u') # used to be tv_usec -> tv_nsec