From 00fcb14e4e6e4fb28fde6a286fd9ac30a2d457c7 Mon Sep 17 00:00:00 2001
From: Nathaniel McCallum <nathaniel@mccallum.life>
Date: Sun, 31 Aug 2025 22:26:10 -0400
Subject: clean up some old const trait impl syntax

---
 library/core/src/ops/function.rs | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

(limited to 'library/core/src/ops/function.rs')

diff --git a/library/core/src/ops/function.rs b/library/core/src/ops/function.rs
index ad46e52a475..479368ba8f8 100644
--- a/library/core/src/ops/function.rs
+++ b/library/core/src/ops/function.rs
@@ -72,9 +72,8 @@ use crate::marker::Tuple;
 )]
 #[fundamental] // so that regex can rely that `&str: !FnMut`
 #[must_use = "closures are lazy and do nothing unless called"]
-#[const_trait]
 #[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")]
-pub trait Fn<Args: Tuple>: FnMut<Args> {
+pub const trait Fn<Args: Tuple>: FnMut<Args> {
     /// Performs the call operation.
     #[unstable(feature = "fn_traits", issue = "29625")]
     extern "rust-call" fn call(&self, args: Args) -> Self::Output;
@@ -160,9 +159,8 @@ pub trait Fn<Args: Tuple>: FnMut<Args> {
 )]
 #[fundamental] // so that regex can rely that `&str: !FnMut`
 #[must_use = "closures are lazy and do nothing unless called"]
-#[const_trait]
 #[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")]
-pub trait FnMut<Args: Tuple>: FnOnce<Args> {
+pub const trait FnMut<Args: Tuple>: FnOnce<Args> {
     /// Performs the call operation.
     #[unstable(feature = "fn_traits", issue = "29625")]
     extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output;
@@ -240,9 +238,8 @@ pub trait FnMut<Args: Tuple>: FnOnce<Args> {
 )]
 #[fundamental] // so that regex can rely that `&str: !FnMut`
 #[must_use = "closures are lazy and do nothing unless called"]
-#[const_trait]
 #[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")]
-pub trait FnOnce<Args: Tuple> {
+pub const trait FnOnce<Args: Tuple> {
     /// The returned type after the call operator is used.
     #[lang = "fn_once_output"]
     #[stable(feature = "fn_once_output", since = "1.12.0")]
-- 
cgit 1.4.1-3-g733a5