[libcxx-commits] [PATCH] D111197: [libc++] Verify span and string_view are trivially copyable

Joe Loser via Phabricator via libcxx-commits libcxx-commits at lists.llvm.org
Wed Oct 6 07:05:21 PDT 2021


jloser updated this revision to Diff 377533.
jloser marked 2 inline comments as done.
jloser edited the summary of this revision.
jloser added a comment.

Address review feedback


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111197/new/

https://reviews.llvm.org/D111197

Files:
  libcxx/test/std/containers/views/trivially_copyable.compile.pass.cpp
  libcxx/test/std/strings/string.view/trivially_copyable.compile.pass.cpp


Index: libcxx/test/std/strings/string.view/trivially_copyable.compile.pass.cpp
===================================================================
--- /dev/null
+++ libcxx/test/std/strings/string.view/trivially_copyable.compile.pass.cpp
@@ -0,0 +1,18 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// <string_view>
+
+#include <string_view>
+#include <type_traits>
+
+static_assert(std::is_trivially_copyable<std::basic_string_view<char>>::value, "");
+static_assert(std::is_trivially_copyable<std::basic_string_view<wchar_t>>::value, "");
+static_assert(std::is_trivially_copyable<std::basic_string_view<char8_t>>::value, "");
+static_assert(std::is_trivially_copyable<std::basic_string_view<char16_t>>::value, "");
+static_assert(std::is_trivially_copyable<std::basic_string_view<char32_t>>::value, "");
Index: libcxx/test/std/containers/views/trivially_copyable.compile.pass.cpp
===================================================================
--- /dev/null
+++ libcxx/test/std/containers/views/trivially_copyable.compile.pass.cpp
@@ -0,0 +1,16 @@
+//
+// 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: c++03, c++11, c++14, c++17
+
+// <span>
+
+#include <span>
+#include <type_traits>
+
+static_assert(std::is_trivially_copyable_v<std::span<int>>);
+static_assert(std::is_trivially_copyable_v<std::span<int, 3>>);


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