--- a/src/driver.rs	Sun Mar 22 23:14:21 2020 +0100
+++ b/src/driver.rs	Sun Mar 22 23:15:08 2020 +0100
@@ -23,7 +23,7 @@
     /// driver.
     fn idle(&mut self) -> Vec<Uri>;
     /// Return pages to fetch based on a fetched document.
-    fn next(&mut self, doc: &extract::Document) -> Vec<Uri>;
+    fn next(&mut self, uri: &Uri, doc: &extract::Document) -> Vec<Uri>;
 }
 
 /// Extracted information can be presented as sequence of key/value pairs.
@@ -77,7 +77,7 @@
                 info!("Stored extracted information");
                 self.logic.store.store(extracted.all());
             }
-            let next = self.logic.explore.next(&doc);
+            let next = self.logic.explore.next(&uri, &doc);
             info!("Appended URIs after fetch: {:?}", next);
             self.queue.extend(next);
             return Ok(true);

--- a/src/implem.rs	Sun Mar 22 23:14:21 2020 +0100
+++ b/src/implem.rs	Sun Mar 22 23:15:08 2020 +0100
@@ -77,7 +77,7 @@
     fn idle(&mut self) -> Vec<Uri> {
         self.known.drain(..).collect()
     }
-    fn next(&mut self, _: &extract::Document) -> Vec<Uri> {
+    fn next(&mut self, _: &Uri, _: &extract::Document) -> Vec<Uri> {
         vec![]
     }
 }