From 5c200c225514ef98abaef295af027333b2f6765e Mon Sep 17 00:00:00 2001
From: Nicholas Nethercote <n.nethercote@gmail.com>
Date: Wed, 11 Dec 2024 12:29:04 +1100
Subject: [PATCH] Simplify `RefTokenTreeCursor::look_ahead`.

It's only ever used with a lookahead of 0, so this commit removes the
lookahead and renames it `peek`.
---
 clippy_lints/src/crate_in_macro_def.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clippy_lints/src/crate_in_macro_def.rs b/clippy_lints/src/crate_in_macro_def.rs
index c8f814137289..76b88b746cb4 100644
--- a/clippy_lints/src/crate_in_macro_def.rs
+++ b/clippy_lints/src/crate_in_macro_def.rs
@@ -86,7 +86,7 @@ fn contains_unhygienic_crate_reference(tts: &TokenStream) -> Option<Span> {
     while let Some(curr) = cursor.next() {
         if !prev_is_dollar
             && let Some(span) = is_crate_keyword(curr)
-            && let Some(next) = cursor.look_ahead(0)
+            && let Some(next) = cursor.peek()
             && is_token(next, &TokenKind::PathSep)
         {
             return Some(span);