//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <string> // template<class charT, class traits, class Allocator> // basic_ostream<charT, traits>& // operator<<(basic_ostream<charT, traits>& os, // const basic_string_view<charT,traits> str); #include <string_view> #include <sstream> #include <cassert> using std::string_view; using std::wstring_view; int main() { { std::ostringstream out; string_view sv("some text"); out << sv; assert(out.good()); assert(sv == out.str()); } { std::ostringstream out; std::string s("some text"); string_view sv(s); out.width(12); out << sv; assert(out.good()); assert(" " + s == out.str()); } { std::wostringstream out; wstring_view sv(L"some text"); out << sv; assert(out.good()); assert(sv == out.str()); } { std::wostringstream out; std::wstring s(L"some text"); wstring_view sv(s); out.width(12); out << sv; assert(out.good()); assert(L" " + s == out.str()); } }