[libcxx-commits] [libcxx] [libc++][ranges] P2116R9: Implements `views::enumerate` (PR #73617)

[Konstantin Varlamov via libcxx-commits]

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@@ -0,0 +1,75 @@
+//===----------------------------------------------------------------------===//
+//
+// 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, c++20
+
+// <ranges>
+
+// class enumerate_view
+
+// class enumerate_view::iterator
+
+// friend constexpr auto iter_move(const iterator& i)
+//   noexcept(noexcept(ranges::iter_move(i.current_)) &&
+//             is_nothrow_move_constructible_v<range_rvalue_reference_t<Base>>);
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var-const wrote:

Copying an old comment -- I don't think we're checking the `is_nothrow_move_constructible_v` constraint?

https://github.com/llvm/llvm-project/pull/73617