lib/polyfill/internal_utils.rb in polyfill-1.0.1 vs lib/polyfill/internal_utils.rb in polyfill-1.1.0

@@ -1,11 +1,12 @@
 module Polyfill
   module InternalUtils
     VERSIONS = {
       '2.2' => 'V2_2',
       '2.3' => 'V2_3',
-      '2.4' => 'V2_4'
+      '2.4' => 'V2_4',
+      '2.5' => 'V2_5'
     }.freeze
     private_constant :VERSIONS
 
     def current_ruby_version
       @current_ruby_version ||= RUBY_VERSION[/\A(\d+\.\d+)/, 1]
@@ -87,7 +88,25 @@
       yield(mod)
 
       Polyfill::Module.const_set("M#{mod.object_id}", mod)
     end
     module_function :create_module
+
+    def to_str(obj)
+      unless obj.respond_to?(:to_str)
+        raise TypeError, "no implicit conversion of #{obj.class} into String"
+      end
+
+      obj.to_str
+    end
+    module_function :to_str
+
+    def to_int(obj)
+      unless obj.respond_to?(:to_int)
+        raise TypeError, "no implicit conversion of #{obj.class} into Integer"
+      end
+
+      obj.to_int
+    end
+    module_function :to_int
   end
 end