1 files changed, 36 insertions, 0 deletions
diff --git a/libcxx/modules/std/flat_set.cppm b/libcxx/modules/std/flat_set.cppm
new file mode 100644
index 000000000000..b40d1583f701
--- /dev/null
+++ b/libcxx/modules/std/flat_set.cppm
@@ -0,0 +1,36 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+module;
+#if __has_include(<flat_set>)
+#  error "include this header unconditionally and uncomment the exported symbols"
+#  include <flat_set>
+#endif
+
+export module std:flat_set;
+export namespace std {
+#if 0
+  // [flat.set], class template flat_set
+  using std::flat_set;
+
+  using std::sorted_unique;
+  using std::sorted_unique_t;
+
+  using std::uses_allocator;
+
+  // [flat.set.erasure], erasure for flat_set
+  using std::erase_if;
+
+  // [flat.multiset], class template flat_multiset
+  using std::flat_multiset;
+
+  using std::sorted_equivalent;
+  using std::sorted_equivalent_t;
+#endif
+} // namespace std