[libcxx-commits] [libcxx] [libc++][sstream] P2495R3: Interfacing `stringstream`s with `string_view` (PR #80552)

[Mark de Wever via libcxx-commits]

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@@ -0,0 +1,17 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef TEST_STD_INPUTOUTPUT_STRINGSTREAMS_CONCEPTS_H
+#define TEST_STD_INPUTOUTPUT_STRINGSTREAMS_CONCEPTS_H
+
+template <typename S, typename T>
+concept HasStr = requires(S s, const T& sv) {
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mordante wrote:

please use a more descriptive name, for example `is_valid_argument_for_str_member`. That makes it clearer at the call side what this does. Especially since this concept resides in a different file.

https://github.com/llvm/llvm-project/pull/80552