Merge pull request #195 from suvash/add-sets-example

Adds sets for Ruby example + Whitespace cleanup

examples/ruby_example2.rb

@@ -5,8 +5,8 @@ require 'yaml'
 
 # Ian Sefferman <iseff@iseff.com>
 # http://www.iseff.com
- 
-# If this is running in a Rails environment,  will pick up config/statsd.yml. 
+
+# If this is running in a Rails environment,  will pick up config/statsd.yml.
 # config/statsd.yml should look like:
 # production:
 #   host: statsd.domain.com
@@ -24,7 +24,7 @@ require 'yaml'
 
 # Sends statistics to the stats daemon over UDP
 class Statsd
-  
+
   def self.timing(stats, time, sample_rate=1)
     Statsd.update_stats(stats, time, sample_rate, 'ms')
   end
@@ -41,6 +41,10 @@ class Statsd
     Statsd.update_stats(stats, value, sample_rate, 'g')
   end
 
+  def self.sets(stats, value, sample_rate=1)
+    Statsd.update_stats(stats, value, sample_rate, 's')
+  end
+
   def self.update_stats(stats, delta=1, sample_rate=1, metric='c')
     stats = [stats].flatten
 
@@ -56,7 +60,7 @@ class Statsd
     begin
       host = config["host"] || "localhost"
       port = config["port"] || "8125"
-      
+
       sampled_data = {}
       if sample_rate < 1
         if rand <= sample_rate
@@ -67,7 +71,7 @@ class Statsd
       else
         sampled_data = data
       end
-      
+
       udp = UDPSocket.new
       sampled_data.each_pair do |stat, val|
         send_data = "%s:%s" % [stat, val]
@@ -80,7 +84,7 @@ class Statsd
 
   def self.config
     return @@config if self.class_variable_defined?(:@@config)
-    begin 
+    begin
       config_path = File.join(File.dirname(__FILE__), "statsd.yml")
       # for Rails environments, check Rails.root/config/statsd.yml
       if defined? Rails