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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef TEST_STD_INPUTOUTPUT_STRINGSTREAMS_HELPER_CONCEPTS_H 10 #define TEST_STD_INPUTOUTPUT_STRINGSTREAMS_HELPER_CONCEPTS_H 11 12 template <typename S, typename T> requires(S s,const T & sv)13concept is_valid_argument_for_str_member = requires(S s, const T& sv) { 14 { s.str(sv) }; 15 }; 16 17 #endif // TEST_STD_INPUTOUTPUT_STRINGSTREAMS_HELPER_CONCEPTS_H 18