[libcxx-commits] [libcxx] [libc++] Add the __is_replaceable type trait (PR #132408)

[Mark de Wever via libcxx-commits]

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@@ -0,0 +1,269 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include <__type_traits/is_replaceable.h>
+#include <array>
+#include <deque>
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mordante wrote:

Do you know why the container adaptors `stack`, `queue` and `priority_queue` are not considered for `trivial_foo`?

https://github.com/llvm/llvm-project/pull/132408