From 859657f2c5dbe2cf55cf7a7665383a81e676bdf3 Mon Sep 17 00:00:00 2001
From: Jeremy Fitzhardinge <jsgf@fb.com>
Date: Thu, 1 Aug 2019 11:06:52 -0700
Subject: [PATCH] Use named arguments for formatting usage message.

It was getting a bit awkward.
---
 src/librustc_driver/lib.rs | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/librustc_driver/lib.rs b/src/librustc_driver/lib.rs
index fdd0773b73ae..cd030f3c9184 100644
--- a/src/librustc_driver/lib.rs
+++ b/src/librustc_driver/lib.rs
@@ -777,13 +777,13 @@ fn usage(verbose: bool, include_unstable_options: bool) {
     } else {
         "\n    --help -v           Print the full set of options rustc accepts"
     };
-    println!("{}\nAdditional help:
+    println!("{options}\nAdditional help:
     -C help             Print codegen options
     -W help             \
-              Print 'lint' options and default settings{}{}\n",
-             options.usage(message),
-             nightly_help,
-             verbose_help);
+              Print 'lint' options and default settings{nightly}{verbose}\n",
+             options = options.usage(message),
+             nightly = nightly_help,
+             verbose = verbose_help);
 }
 
 fn print_wall_help() {