transpile: factor out cloning of module path

Author: fw-immunant

c2rust-transpile/src/translator/mod.rs

@@ -1011,31 +1011,30 @@ fn make_submodule(
         .get_file_include_line_number(file_id)
         .unwrap_or(0);
     let mod_name = clean_path(mod_names, file_path);
+    let use_path = || vec!["self".into(), mod_name.clone()];
 
     for item in items.iter() {
         let ident_name = match item_ident(item) {
             Some(i) => i.to_string(),
             None => continue,
         };
-        let use_path = vec!["self".into(), mod_name.clone()];
 
         let vis = match item_vis(item) {
             Some(Visibility::Public(_)) => mk().pub_(),
             Some(_) => mk(),
             None => continue,
         };
 
-        use_item_store.add_use_with_attr(false, use_path, &ident_name, vis);
+        use_item_store.add_use_with_attr(false, use_path(), &ident_name, vis);
     }
 
     for foreign_item in foreign_items.iter() {
         let ident_name = match foreign_item_ident_vis(foreign_item) {
             Some((ident, _vis)) => ident.to_string(),
             None => continue,
         };
-        let use_path = vec!["self".into(), mod_name.clone()];
 
-        use_item_store.add_use(false, use_path, &ident_name);
+        use_item_store.add_use(false, use_path(), &ident_name);
     }
 
     for item in uses.into_items() {