[libcxx-commits] [libcxx] [libc++] implement std::flat_set (PR #125241)

[Louis Dionne via libcxx-commits]

================
@@ -0,0 +1,307 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SUPPORT_FLAT_SET_HELPERS_H
+#define SUPPORT_FLAT_SET_HELPERS_H
----------------
ldionne wrote:

```suggestion
#ifndef TEST_STD_CONTAINERS_CONTAINER_ADAPTORS_FLAT_SET_HELPERS_H
#define TEST_STD_CONTAINERS_CONTAINER_ADAPTORS_FLAT_SET_HELPERS_H
```

https://github.com/llvm/llvm-project/pull/125241