automatically collect garbage

crates/ra_ide_api/src/lib.rs

@@ -286,6 +286,10 @@ impl AnalysisHost {
         self.db.apply_change(change)
     }
 
+    pub fn maybe_collect_garbage(&mut self) {
+        self.db.maybe_collect_garbage();
+    }
+
     pub fn collect_garbage(&mut self) {
         self.db.collect_garbage();
     }