Remove unnecessary item_name parameter to mod_item_out

Author: jyn514

src/librustdoc/formats/renderer.rs

@@ -37,7 +37,9 @@ crate trait FormatRenderer<'tcx>: Sized {
     fn mod_item_in(&mut self, item: &clean::Item, item_name: &str) -> Result<(), Error>;
 
     /// Runs after recursively rendering all sub-items of a module.
-    fn mod_item_out(&mut self, item_name: &str) -> Result<(), Error>;
+    fn mod_item_out(&mut self) -> Result<(), Error> {
+        Ok(())
+    }
 
     /// Post processing hook for cleanup and dumping output to files.
     fn after_krate(&mut self) -> Result<(), Error>;
@@ -87,7 +89,7 @@ crate fn run_format<'tcx, T: FormatRenderer<'tcx>>(
                 work.push((cx.make_child_renderer(), it));
             }
 
-            cx.mod_item_out(&name)?;
+            cx.mod_item_out()?;
         // FIXME: checking `item.name.is_some()` is very implicit and leads to lots of special
         // cases. Use an explicit match instead.
         } else if item.name.is_some() && !item.is_extern_crate() {

src/librustdoc/html/render/context.rs

@@ -617,7 +617,7 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> {
         Ok(())
     }
 
-    fn mod_item_out(&mut self, _item_name: &str) -> Result<(), Error> {
+    fn mod_item_out(&mut self) -> Result<(), Error> {
         info!("Recursed; leaving {}", self.dst.display());
 
         // Go back to where we were at

src/librustdoc/json/mod.rs

@@ -198,10 +198,6 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> {
         Ok(())
     }
 
-    fn mod_item_out(&mut self, _item_name: &str) -> Result<(), Error> {
-        Ok(())
-    }
-
     fn after_krate(&mut self) -> Result<(), Error> {
         debug!("Done with crate");
         let mut index = (*self.index).clone().into_inner();