Future-proof indexing on maps: remove IndexMut

[rust.git] / src / librustc_resolve / resolve_imports.rs

diff --git a/src/librustc_resolve/resolve_imports.rs b/src/librustc_resolve/resolve_imports.rs
index 737ec71cab3da09273b69f94d3653d37674e91eb..46451019760dd478aa179449473532a32d15fe63 100644 (file)
--- a/src/librustc_resolve/resolve_imports.rs
+++ b/src/librustc_resolve/resolve_imports.rs
@@ -603,7 +603,7 @@ fn get_binding(this: &mut Resolver,
 
         // We've successfully resolved the import. Write the results in.
         let mut import_resolutions = module_.import_resolutions.borrow_mut();
-        let import_resolution = &mut (*import_resolutions)[target];
+        let import_resolution = import_resolutions.get_mut(&target).unwrap();
 
         {
             let mut check_and_write_import = |namespace, result: &_, used_public: &mut bool| {