| // Copyright 2020 The Chromium Authors. All rights reserved. | 
 | // Use of this source code is governed by a BSD-style license that can be | 
 | // found in the LICENSE file. | 
 |  | 
 | #ifndef BASE_STRINGS_STRCAT_WIN_H_ | 
 | #define BASE_STRINGS_STRCAT_WIN_H_ | 
 |  | 
 | #include <initializer_list> | 
 | #include <string> | 
 |  | 
 | #include "polyfills/base/base_export.h" | 
 | #include "base/containers/span.h" | 
 | #include "base/strings/string_piece.h" | 
 |  | 
 | namespace gurl_base { | 
 |  | 
 | // The following section contains overloads of the cross-platform APIs for | 
 | // std::wstring and gurl_base::WStringPiece. | 
 | BASE_EXPORT void StrAppend(std::wstring* dest, span<const WStringPiece> pieces); | 
 | BASE_EXPORT void StrAppend(std::wstring* dest, span<const std::wstring> pieces); | 
 |  | 
 | inline void StrAppend(std::wstring* dest, | 
 |                       std::initializer_list<WStringPiece> pieces) { | 
 |   StrAppend(dest, make_span(pieces)); | 
 | } | 
 |  | 
 | [[nodiscard]] BASE_EXPORT std::wstring StrCat(span<const WStringPiece> pieces); | 
 | [[nodiscard]] BASE_EXPORT std::wstring StrCat(span<const std::wstring> pieces); | 
 |  | 
 | inline std::wstring StrCat(std::initializer_list<WStringPiece> pieces) { | 
 |   return StrCat(make_span(pieces)); | 
 | } | 
 |  | 
 | }  // namespace base | 
 |  | 
 | #endif  // BASE_STRINGS_STRCAT_WIN_H_ |