From 7e7d0a959d9a0450ac3596e842dc49e8e6618bc6 Mon Sep 17 00:00:00 2001
From: joboet <jonas.boettiger@icloud.com>
Date: Thu, 27 Jun 2024 12:16:46 +0200
Subject: [PATCH] core: improve comment

Co-authored-by: Ralf Jung <post@ralfj.de>
---
 library/core/src/fmt/rt.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/library/core/src/fmt/rt.rs b/library/core/src/fmt/rt.rs
index 5836ce59ec1dc..65a4d537cc74d 100644
--- a/library/core/src/fmt/rt.rs
+++ b/library/core/src/fmt/rt.rs
@@ -68,8 +68,8 @@ pub(super) enum Flag {
 #[derive(Copy, Clone)]
 enum ArgumentType<'a> {
     Placeholder {
-        // INVARIANT: if `formatter` had type `fn(&T, _) -> _` then `value`
-        // was derived from a `&T` with lifetime `'a`.
+        // INVARIANT: `formatter` has type `fn(&T, _) -> _` for some `T`, and `value`
+        // was derived from a `&'a T`.
         value: NonNull<()>,
         formatter: unsafe fn(NonNull<()>, &mut Formatter<'_>) -> Result,
         _lifetime: PhantomData<&'a ()>,