[ruby/rack] Dedup strings

Author: p8

frameworks/Ruby/rack-sequel/hello_world.rb

@@ -71,7 +71,7 @@ def fortunes
 
     fortune = Fortune.new
     fortune.id = 0
-    fortune.message = "Additional fortune added at request time."
+    fortune.message = -"Additional fortune added at request time."
     fortunes << fortune
 
     fortunes.sort_by!(&:message)
@@ -105,7 +105,7 @@ def call(env)
     case env['PATH_INFO']
     when '/json'
       # Test type 1: JSON serialization
-      respond JSON_TYPE, JSON.generate({ message: 'Hello, World!' })
+      respond JSON_TYPE, JSON.generate({ message: -'Hello, World!' })
     when '/db'
       # Test type 2: Single database query
       respond JSON_TYPE, JSON.generate(db)
@@ -120,7 +120,7 @@ def call(env)
       respond JSON_TYPE, JSON.generate(updates(env))
     when '/plaintext'
       # Test type 6: Plaintext
-      respond PLAINTEXT_TYPE, 'Hello, World!'
+      respond PLAINTEXT_TYPE, -'Hello, World!'
     end
   end
 

frameworks/Ruby/rack/hello_world.rb

@@ -53,7 +53,7 @@ def call(env)
     when '/json'
       # Test type 1: JSON serialization
       respond JSON_TYPE,
-        JSON.generate({ message: 'Hello, World!' })
+        JSON.generate({ message: -'Hello, World!' })
     when '/db'
       # Test type 2: Single database query
       id = random_id
@@ -71,7 +71,7 @@ def call(env)
       respond JSON_TYPE, JSON.generate(update_worlds(queries))
     when '/plaintext'
       # Test type 6: Plaintext
-      respond PLAINTEXT_TYPE, 'Hello, World!'
+      respond PLAINTEXT_TYPE, -'Hello, World!'
     end
   end
 
@@ -104,7 +104,7 @@ def headers(content_type)
 
   def fortunes
     fortunes = $db.with(&:select_fortunes).map(&:to_h)
-    fortunes << { 'id' => 0, 'message' => 'Additional fortune added at request time.' }
+    fortunes << { 'id' => 0, 'message' => -'Additional fortune added at request time.' }
     fortunes.sort_by! { |item| item['message'] }
 
     buffer = String.new