address review feedback (sort_by_key is so much cleaner here than sort_by!).

2018-07-31 23:00:01 +02:00 · 2018-07-31 23:00:01 +02:00 · 779792ff38
commit 779792ff38
parent faf841a9f6
1 changed files with 1 additions and 3 deletions
--- a/src/librustc_mir/borrow_check/mod.rs
+++ b/src/librustc_mir/borrow_check/mod.rs
@ -331,9 +331,7 @@ fn do_mir_borrowck<'a, 'gcx, 'tcx>(
    }

    if mbcx.errors_buffer.len() > 0 {
-        mbcx.errors_buffer.sort_by(|diag1, diag2| {
-            diag1.span.primary_span().cmp(&diag2.span.primary_span())
-        });
+        mbcx.errors_buffer.sort_by_key(|diag| diag.span.primary_span());

        if tcx.migrate_borrowck() {
            match tcx.borrowck(def_id).signalled_any_error {