print result in thread pool example

Author: jvmvik

demo/demo_thread_pool.rb

@@ -61,13 +61,16 @@
 runtime = Benchmark.measure do
   # create a thread pool of 4 threads with a persistent connection to serpapi.com
   pool = ConnectionPool.new(size: n, timeout: 5) do
-    SerpApi::Client.new(engine: 'google', api_key: ENV.fetch('SERPAPI_KEY', nil), timeout: 30, persistent: true)
+    SerpApi::Client.new(engine: 'google', api_key: ENV['SERPAPI_KEY'], timeout: 30, persistent: true)
   end
 
   # run user thread to search for your favorites coffee type
   threads = %w[latte espresso cappuccino americano mocha macchiato frappuccino cold_brew].map do |query|
     Thread.new do
-      pool.with { |socket| socket.search({ q: query }).to_s }
+      pool.with do|socket| 
+        results = socket.search({ q: query })
+        puts "first result title: #{results[:organic_results].first[:title]} for query: #{results[:search_parameters][:q]}"
+      end
     end
   end
   threads.map(&:value)