[libcxx-commits] [libcxx] [libc++] P3168R2 Give std::optional Range Support (PR #146491)

[Nikolas Klauser via libcxx-commits]

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@@ -0,0 +1,19 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: std-at-least-c++26
+
+#include "assert_macros.h"
+#include <optional>
+
+int main() {
+  std::optional<int> val = 2;
+  auto end               = val.end();
+  TEST_DOES_NOT_THROW(*end);
+  return 0;
+}
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philnik777 wrote:

Missing newline.

https://github.com/llvm/llvm-project/pull/146491