From 4ffe636c303be636399f4849b54b75a52f43d473 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Tue, 6 Aug 2024 14:47:55 +1000
Subject: [PATCH] ranges/chunk: remove the clang range_adaptor_closure
 workaround

clang-19 exposes range_adaptor_closure so this isn't necessary.
---
 cruft/util/ranges/chunk.hpp | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/cruft/util/ranges/chunk.hpp b/cruft/util/ranges/chunk.hpp
index 0dbc90f9..d4aae95a 100644
--- a/cruft/util/ranges/chunk.hpp
+++ b/cruft/util/ranges/chunk.hpp
@@ -219,16 +219,9 @@ namespace cruft::ranges {
     template <class R>
     chunk_view (R&&, std::ranges::range_difference_t<R>) -> chunk_view<std::views::all_t<R>>;
 
-    // HACK: clang#18 does not expose range_adaptor_closure, so we dig into the internals.
-#if defined(COMPILER_GCC)
-#define _CRUFT_RANGE_ADAPTOR_BASE std::ranges::range_adaptor_closure
-#elif defined(COMPILER_CLANG)
-#define _CRUFT_RANGE_ADAPTOR_BASE std::__range_adaptor_closure
-#endif
-
 
     namespace detail {
-        struct chunk_closure_t : _CRUFT_RANGE_ADAPTOR_BASE<chunk_closure_t> {
+        struct chunk_closure_t : std::ranges::range_adaptor_closure<chunk_closure_t> {
             int n;
 
             template <typename R>