lib/em-synchrony/em-remcached.rb in em-synchrony-0.1.4 vs lib/em-synchrony/em-remcached.rb in em-synchrony-0.1.5

@@ -1,6 +1,10 @@
-require "remcached"
+begin
+  require "remcached"
+rescue LoadError => error
+  raise "Missing EM-Synchrony dependency: gem install remcached"
+end
 
 module Memcached
   class << self
 
     def connect(servers)
@@ -43,22 +47,22 @@
     %w[add get set delete].each do |type|
        class_eval %[
          def amulti_#{type}(contents, &callback)
            df = EventMachine::DefaultDeferrable.new
            df.callback &callback
-    
+
            cb = Proc.new { |res| df.succeed(res) }
            multi_operation Request::#{type.capitalize}, contents, &cb
-    
+
              df
          end
-    
+
          def multi_#{type}(contents, &callback)
            fiber = Fiber.current
-    
+
            df = amulti_#{type}(contents, &Proc.new { |res| fiber.resume(res) })
            df.callback &callback
-    
+
            Fiber.yield
          end
        ]
      end