|  | // -*- C++ -*- | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // 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 | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | export namespace std { | 
|  | #if _LIBCPP_HAS_WIDE_CHARACTERS | 
|  | using std::wctrans_t _LIBCPP_USING_IF_EXISTS; | 
|  | using std::wctype_t _LIBCPP_USING_IF_EXISTS; | 
|  | using std::wint_t _LIBCPP_USING_IF_EXISTS; | 
|  |  | 
|  | using std::iswalnum _LIBCPP_USING_IF_EXISTS; | 
|  | using std::iswalpha _LIBCPP_USING_IF_EXISTS; | 
|  | using std::iswblank _LIBCPP_USING_IF_EXISTS; | 
|  | using std::iswcntrl _LIBCPP_USING_IF_EXISTS; | 
|  | using std::iswctype _LIBCPP_USING_IF_EXISTS; | 
|  | using std::iswdigit _LIBCPP_USING_IF_EXISTS; | 
|  | using std::iswgraph _LIBCPP_USING_IF_EXISTS; | 
|  | using std::iswlower _LIBCPP_USING_IF_EXISTS; | 
|  | using std::iswprint _LIBCPP_USING_IF_EXISTS; | 
|  | using std::iswpunct _LIBCPP_USING_IF_EXISTS; | 
|  | using std::iswspace _LIBCPP_USING_IF_EXISTS; | 
|  | using std::iswupper _LIBCPP_USING_IF_EXISTS; | 
|  | using std::iswxdigit _LIBCPP_USING_IF_EXISTS; | 
|  | using std::towctrans _LIBCPP_USING_IF_EXISTS; | 
|  | using std::towlower _LIBCPP_USING_IF_EXISTS; | 
|  | using std::towupper _LIBCPP_USING_IF_EXISTS; | 
|  | using std::wctrans _LIBCPP_USING_IF_EXISTS; | 
|  | using std::wctype _LIBCPP_USING_IF_EXISTS; | 
|  | #endif // _LIBCPP_HAS_WIDE_CHARACTERS | 
|  | } // namespace std |