[libc++][NFC] Rename fold.h to ranges_fold.h

[ldionne]

This follows the pattern we use consistently for ranges algorithms.

[llvmbot]

@llvm/pr-subscribers-libcxx

Author: Louis Dionne (ldionne)

Changes

This follows the pattern we use consistently for ranges algorithms.

---

Full diff: https://github.com/llvm/llvm-project/pull/109696.diff

4 Files Affected:

• (modified) libcxx/include/CMakeLists.txt (+1-1)
• (renamed) libcxx/include/__algorithm/ranges_fold.h (+3-3)
• (modified) libcxx/include/algorithm (+1-1)
• (modified) libcxx/include/module.modulemap (+1-1)

diff --git a/libcxx/include/CMakeLists.txt b/libcxx/include/CMakeLists.txt
index 8c61009167ddce..c73507723392e0 100644
--- a/libcxx/include/CMakeLists.txt
+++ b/libcxx/include/CMakeLists.txt
@@ -23,7 +23,6 @@ set(files
   __algorithm/find_if.h
   __algorithm/find_if_not.h
   __algorithm/find_segment_if.h
-  __algorithm/fold.h
   __algorithm/for_each.h
   __algorithm/for_each_n.h
   __algorithm/for_each_segment.h
@@ -98,6 +97,7 @@ set(files
   __algorithm/ranges_find_if.h
   __algorithm/ranges_find_if_not.h
   __algorithm/ranges_find_last.h
+  __algorithm/ranges_fold.h
   __algorithm/ranges_for_each.h
   __algorithm/ranges_for_each_n.h
   __algorithm/ranges_generate.h
diff --git a/libcxx/include/__algorithm/fold.h b/libcxx/include/__algorithm/ranges_fold.h
similarity index 97%
rename from libcxx/include/__algorithm/fold.h
rename to libcxx/include/__algorithm/ranges_fold.h
index 1bcb3be9aadabe..d2c39213985044 100644
--- a/libcxx/include/__algorithm/fold.h
+++ b/libcxx/include/__algorithm/ranges_fold.h
@@ -7,8 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef _LIBCPP___ALGORITHM_FOLD_H
-#define _LIBCPP___ALGORITHM_FOLD_H
+#ifndef _LIBCPP___ALGORITHM_RANGES_FOLD_H
+#define _LIBCPP___ALGORITHM_RANGES_FOLD_H
 
 #include <__concepts/assignable.h>
 #include <__concepts/constructible.h>
@@ -126,4 +126,4 @@ _LIBCPP_END_NAMESPACE_STD
 
 _LIBCPP_POP_MACROS
 
-#endif // _LIBCPP___ALGORITHM_FOLD_H
+#endif // _LIBCPP___ALGORITHM_RANGES_FOLD_H
diff --git a/libcxx/include/algorithm b/libcxx/include/algorithm
index 36fd035b7e51b3..17d63ce0cf1c0f 100644
--- a/libcxx/include/algorithm
+++ b/libcxx/include/algorithm
@@ -2020,10 +2020,10 @@ template <class BidirectionalIterator, class Compare>
 #endif
 
 #if _LIBCPP_STD_VER >= 23
-#  include <__algorithm/fold.h>
 #  include <__algorithm/ranges_contains_subrange.h>
 #  include <__algorithm/ranges_ends_with.h>
 #  include <__algorithm/ranges_find_last.h>
+#  include <__algorithm/ranges_fold.h>
 #  include <__algorithm/ranges_starts_with.h>
 #endif // _LIBCPP_STD_VER >= 23
 
diff --git a/libcxx/include/module.modulemap b/libcxx/include/module.modulemap
index c1181a3622513f..932730995db709 100644
--- a/libcxx/include/module.modulemap
+++ b/libcxx/include/module.modulemap
@@ -714,7 +714,6 @@ module std_private_algorithm_find_first_of                               [system
 module std_private_algorithm_find_if                                     [system] { header "__algorithm/find_if.h" }
 module std_private_algorithm_find_if_not                                 [system] { header "__algorithm/find_if_not.h" }
 module std_private_algorithm_find_segment_if                             [system] { header "__algorithm/find_segment_if.h" }
-module std_private_algorithm_fold                                        [system] { header "__algorithm/fold.h" }
 module std_private_algorithm_for_each                                    [system] { header "__algorithm/for_each.h" }
 module std_private_algorithm_for_each_n                                  [system] { header "__algorithm/for_each_n.h" }
 module std_private_algorithm_for_each_segment                            [system] { header "__algorithm/for_each_segment.h" }
@@ -823,6 +822,7 @@ module std_private_algorithm_ranges_find_first_of                        [system
 module std_private_algorithm_ranges_find_if                              [system] { header "__algorithm/ranges_find_if.h" }
 module std_private_algorithm_ranges_find_if_not                          [system] { header "__algorithm/ranges_find_if_not.h" }
 module std_private_algorithm_ranges_find_last                            [system] { header "__algorithm/ranges_find_last.h" }
+module std_private_algorithm_ranges_fold                                 [system] { header "__algorithm/ranges_fold.h" }
 module std_private_algorithm_ranges_for_each                             [system] {
   header "__algorithm/ranges_for_each.h"
   export std_private_algorithm_in_fun_result