Only use UnboundMethod#bind_call if it is available

jeremyevans · jeremyevans · commit 67ca99ca87a3 · 2021-03-04T15:59:58.000-08:00
This allows tests to pass on Ruby 2.4-2.6. Fixes #19
diff --git a/lib/uri/rfc2396_parser.rb b/lib/uri/rfc2396_parser.rb
@@ -322,8 +322,14 @@ def unescape(str, escaped = @regexp[:ESCAPED])
     end
 
     @@to_s = Kernel.instance_method(:to_s)
-    def inspect
-      @@to_s.bind_call(self)
+    if @@to_s.respond_to?(:bind_call)
+      def inspect
+        @@to_s.bind_call(self)
+      end
+    else
+      def inspect
+        @@to_s.bind(self).call
+      end
     end
 
     private
diff --git a/lib/uri/rfc3986_parser.rb b/lib/uri/rfc3986_parser.rb
@@ -79,8 +79,14 @@ def join(*uris) # :nodoc:
     end
 
     @@to_s = Kernel.instance_method(:to_s)
-    def inspect
-      @@to_s.bind_call(self)
+    if @@to_s.respond_to?(:bind_call)
+      def inspect
+        @@to_s.bind_call(self)
+      end
+    else
+      def inspect
+        @@to_s.bind(self).call
+      end
     end
 
     private
