replace all older rocket sign to new ":" from examples of active record and active models

activemodel/examples/validations.rb

@@ -4,7 +4,7 @@ class Person
   include ActiveModel::Conversion
   include ActiveModel::Validations
 
-  validates_presence_of :name
+  validates :name, presence: true
 
   attr_accessor :name
 

activerecord/examples/performance.rb

@@ -5,12 +5,12 @@ require 'benchmark/ips'
 TIME    = (ENV['BENCHMARK_TIME'] || 20).to_i
 RECORDS = (ENV['BENCHMARK_RECORDS'] || TIME*1000).to_i
 
-conn = { :adapter => 'sqlite3', :database => ':memory:' }
+conn = { adapter: 'sqlite3', database: ':memory:' }
 
 ActiveRecord::Base.establish_connection(conn)
 
 class User < ActiveRecord::Base
-  connection.create_table :users, :force => true do |t|
+  connection.create_table :users, force: true do |t|
     t.string :name, :email
     t.timestamps
   end
@@ -19,7 +19,7 @@ class User < ActiveRecord::Base
 end
 
 class Exhibit < ActiveRecord::Base
-  connection.create_table :exhibits, :force => true do |t|
+  connection.create_table :exhibits, force: true do |t|
     t.belongs_to :user
     t.string :name
     t.text :notes
@@ -77,28 +77,28 @@ today = Date.today
 puts "Inserting #{RECORDS} users and exhibits..."
 RECORDS.times do
   user = User.create(
-    :created_at => today,
-    :name       => ActiveRecord::Faker.name,
-    :email      => ActiveRecord::Faker.email
+    created_at: today,
+    name: ActiveRecord::Faker.name,
+    email: ActiveRecord::Faker.email
   )
 
   Exhibit.create(
-    :created_at => today,
-    :name       => ActiveRecord::Faker.name,
-    :user       => user,
-    :notes      => notes
+    created_at: today,
+    name: ActiveRecord::Faker.name,
+    user: user,
+    notes: notes
   )
 end
 
 Benchmark.ips(TIME) do |x|
   ar_obj       = Exhibit.find(1)
-  attrs        = { :name => 'sam' }
-  attrs_first  = { :name => 'sam' }
-  attrs_second = { :name => 'tom' }
+  attrs        = { name: 'sam' }
+  attrs_first  = { name: 'sam' }
+  attrs_second = { name: 'tom' }
   exhibit      = {
-    :name       => ActiveRecord::Faker.name,
-    :notes      => notes,
-    :created_at => Date.today
+    name: ActiveRecord::Faker.name,
+    notes: notes,
+    :created_at: Date.today
   }
 
   x.report("Model#id") do

activerecord/examples/simple.rb

@@ -2,13 +2,13 @@ $LOAD_PATH.unshift "#{File.dirname(__FILE__)}/../lib"
 require 'active_record'
 
 class Person < ActiveRecord::Base
-  establish_connection :adapter => 'sqlite3', :database => 'foobar.db'
-  connection.create_table table_name, :force => true do |t|
+  establish_connection adapter: 'sqlite3', database: 'foobar.db'
+  connection.create_table table_name, force: true do |t|
     t.string :name
   end
 end
 
-bob = Person.create!(:name => 'bob')
+bob = Person.create!(name: 'bob')
 puts Person.all.inspect
 bob.destroy
 puts Person.all.inspect