fix constructor declaration style in doc and demo to align with Ruby style guide

Author: jvmvik

README.md

@@ -125,11 +125,11 @@ Here is an example of asynchronous searches using Ruby
 require 'serpapi'
 
 company_list = %w[meta amazon apple netflix google]
-client = SerpApi::Client.new(engine: 'google', async: true, persistent: true, api_key: ENV.fetch('SERPAPI_KEY', nil))
+client = SerpApi::Client.new(engine: 'google', async: true, persistent: true, api_key: ENV['SERPAPI_KEY'])
 schedule_search = Queue.new
 result = nil
 company_list.each do |company|
-  result = client.search({ q: company })
+  result = client.search(q: company)
   puts "#{company}: search results found in cache for: #{company}" if result[:search_metadata][:status] =~ /Cached/
 
   schedule_search.push(result[:search_metadata][:id])
@@ -208,7 +208,7 @@ require 'serpapi'
 
 require 'pp'
 
-client = SerpApi::Client.new({api_key: ENV['SERPAPI_KEY']})
+client = SerpApi::Client.new(api_key: ENV['SERPAPI_KEY'])
 params = {
   q: 'coffee'
 }
@@ -229,7 +229,7 @@ exit 0
 
 ```ruby
 require 'serpapi'
-client = SerpApi::Client.new() 
+client = SerpApi::Client.new
 location_list = client.location(q: "Austin", limit: 3)
 puts "number of location: #{location_list.size}"
 pp location_list

README.md.erb

@@ -145,11 +145,11 @@ Here is an example of asynchronous searches using Ruby
 require 'serpapi'
 
 company_list = %w[meta amazon apple netflix google]
-client = SerpApi::Client.new(engine: 'google', async: true, persistent: true, api_key: ENV.fetch('SERPAPI_KEY', nil))
+client = SerpApi::Client.new(engine: 'google', async: true, persistent: true, api_key: ENV['SERPAPI_KEY'])
 schedule_search = Queue.new
 result = nil
 company_list.each do |company|
-  result = client.search({ q: company })
+  result = client.search(q: company)
   puts "#{company}: search results found in cache for: #{company}" if result[:search_metadata][:status] =~ /Cached/
 
   schedule_search.push(result[:search_metadata][:id])
@@ -228,7 +228,7 @@ require 'serpapi'
 
 require 'pp'
 
-client = SerpApi::Client.new({api_key: ENV['SERPAPI_KEY']})
+client = SerpApi::Client.new(api_key: ENV['SERPAPI_KEY'])
 params = {
   q: 'coffee'
 }
@@ -249,7 +249,7 @@ exit 0
 
 ```ruby
 require 'serpapi'
-client = SerpApi::Client.new() 
+client = SerpApi::Client.new
 location_list = client.location(q: "Austin", limit: 3)
 puts "number of location: #{location_list.size}"
 pp location_list

demo/demo.rb

@@ -10,10 +10,10 @@
 require 'serpapi'
 
 # client initialization with default parameters
-client = SerpApi::Client.new({
-                               engine: 'google',
-                               api_key: ENV['SERPAPI_KEY']
-                             })
+client = SerpApi::Client.new(
+  engine: 'google',
+  api_key: ENV['SERPAPI_KEY']
+)
 # search for coffee
 results = client.search(q: 'coffee')
 unless results[:organic_results]

demo/demo_async.rb

@@ -32,7 +32,12 @@
 
 # target MAANG companies
 company_list = %w[meta amazon apple netflix google]
-client = SerpApi::Client.new(engine: 'google', async: true, persistent: true, api_key: ENV.fetch('SERPAPI_KEY', nil))
+client = SerpApi::Client.new(
+  engine: 'google',
+  async: true,
+  persistent: true,
+  api_key: ENV['SERPAPI_KEY']
+)
 schedule_search = Queue.new
 result = nil
 company_list.each do |company|

demo/demo_suggest.rb

@@ -18,15 +18,15 @@
 raise 'SERPAPI_KEY environment variable must be set' if ENV['SERPAPI_KEY'].nil?
 
 # client initialization with default parameters for Google Autocomplete
-client = SerpApi::Client.new({
+client = SerpApi::Client.new(
   engine: 'google_autocomplete',
   client: 'safari',
   hl: 'en', # language
   gl: 'us', # country
   api_key: ENV['SERPAPI_KEY'], # API key from environment variable
   persistent: false,
   timeout: 2
-})
+)
 params = {
   q: 'coffee'
 }

demo/demo_thread_pool.rb

@@ -60,7 +60,10 @@
 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