Christian Trott 20c6b9d451 [libc++][mdspan] Implement default_accessor
This commit implements default_accessor in support of C++23 mdspan
(https://wg21.link/p0009). default_accessor is the trivial accessor
using plain pointers and reference to element types.

Co-authored-by: Damien L-G <dalg24@gmail.com>

Differential Revision: https://reviews.llvm.org/D153935
2023-07-14 11:52:40 -06:00

32 lines
915 B
C++

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
module;
#include <mdspan>
export module std:mdspan;
export namespace std {
// [mdspan.extents], class template extents
using std::extents;
// [mdspan.extents.dextents], alias template dextents
using std::dextents;
// [mdspan.layout], layout mapping
using std::layout_left;
using std::layout_right;
// using std::layout_stride;
// [mdspan.accessor.default], class template default_accessor
using std::default_accessor;
// [mdspan.mdspan], class template mdspan
// using std::mdspan;
} // namespace std