File: indirectly_movable.subsumption.compile.pass.cpp

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//===----------------------------------------------------------------------===//
//
// 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
// UNSUPPORTED: libcpp-no-concepts
// UNSUPPORTED: gcc-10

// template<class In, class Out>
// concept indirectly_movable;

#include <iterator>

#include <concepts>

template<std::indirectly_readable I, class O>
constexpr bool indirectly_movable_subsumption() {
  return false;
}

template<class I, class O>
  requires std::indirectly_movable<I, O>
constexpr bool indirectly_movable_subsumption() {
  return true;
}

static_assert(indirectly_movable_subsumption<int*, int*>());