21 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++14, c++1710 11// template<class I>12// concept permutable = see below; // Since C++2013 14#include <iterator>15 16template<class I> void test_subsumption() requires std::forward_iterator<I>;17template<class I> void test_subsumption() requires std::indirectly_movable_storable<I, I>;18template<class I> void test_subsumption() requires std::indirectly_swappable<I, I>;19template<class I> constexpr bool test_subsumption() requires std::permutable<I> { return true; }20static_assert(test_subsumption<int*>());21