Change the Extensions module to use alias instead of alias_method

CHANGELOG.md

@@ -15,6 +15,7 @@
 * Change extensions to require core library when loaded
 * Change Strings::Case class to hide constants
 * Change Strings::Case class to hide instance method
+* Change the Extensions module to use alias instead of alias_method
 
 ## [v0.3.0] - 2019-12-07
 

lib/strings/case/extensions.rb

@@ -9,12 +9,12 @@ module Extensions
         def camelcase(*args, **options)
           Strings::Case.camelcase(self, *args, **options)
         end
-        alias_method :lower_camelcase, :camelcase
+        alias lower_camelcase camelcase
 
         def constcase(*args, **options)
           Strings::Case.constcase(self, *args, **options)
         end
-        alias_method :constantcase, :constcase
+        alias constantcase constcase
 
         def headercase(*args, **options)
           Strings::Case.headercase(self, *args, **options)
@@ -23,12 +23,12 @@ def headercase(*args, **options)
         def kebabcase(*args, **options)
           Strings::Case.kebabcase(self, *args, **options)
         end
-        alias_method :dashcase, :kebabcase
+        alias dashcase kebabcase
 
         def pascalcase(*args, **options)
           Strings::Case.pascalcase(self, *args, **options)
         end
-        alias_method :upper_camelcase, :pascalcase
+        alias upper_camelcase pascalcase
 
         def pathcase(*args, **options)
           Strings::Case.pathcase(self, *args, **options)
@@ -41,7 +41,7 @@ def sentencecase(*args, **options)
         def snakecase(*args, **options)
           Strings::Case.snakecase(self, *args, **options)
         end
-        alias_method :underscore, :snakecase
+        alias underscore snakecase
 
         def titlecase(*args, **options)
           Strings::Case.titlecase(self, *args, **options)