1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5// See https://llvm.org/LICENSE.txt for license information. 6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7// 8//===----------------------------------------------------------------------===// 9 10export namespace std { 11 using std::isalnum; 12 using std::isalpha; 13 using std::isblank; 14 using std::iscntrl; 15 using std::isdigit; 16 using std::isgraph; 17 using std::islower; 18 using std::isprint; 19 using std::ispunct; 20 using std::isspace; 21 using std::isupper; 22 using std::isxdigit; 23 using std::tolower; 24 using std::toupper; 25} // namespace std 26