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-rw-r--r--libcxx/include/experimental/string_view16
1 files changed, 13 insertions, 3 deletions
diff --git a/libcxx/include/experimental/string_view b/libcxx/include/experimental/string_view
index f13bff54d53..100bdfe7273 100644
--- a/libcxx/include/experimental/string_view
+++ b/libcxx/include/experimental/string_view
@@ -3,9 +3,19 @@
//
// The LLVM Compiler Infrastructure
//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
+#ifndef _LIBCPP_EXPERIMENTAL_STRING_VIEW
+#define _LIBCPP_EXPERIMENTAL_STRING_VIEW
-#error "<experimental/string_view> has been removed. Use <string_view> instead."
+#include <__config>
+
+#ifdef _LIBCPP_WARNING
+_LIBCPP_WARNING("<experimental/string_view> has been removed. Use <string_view> instead.")
+#else
+# warning "<experimental/string_view> has been removed. Use <string_view> instead."
+#endif
+
+#endif // _LIBCPP_EXPERIMENTAL_STRING_VIEW
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