1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <regex> 11 // UNSUPPORTED: c++98, c++03, c++11, c++14 12 // UNSUPPORTED: libcpp-no-deduction-guides 13 14 15 // template <class InputIterator, class Allocator = allocator<typename iterator_traits<InputIterator>::value_type>> 16 // vector(InputIterator, InputIterator, Allocator = Allocator()) 17 // -> vector<typename iterator_traits<InputIterator>::value_type, Allocator>; 18 // 19 20 21 #include <regex> 22 #include <string> 23 #include <iterator> 24 #include <cassert> 25 #include <cstddef> 26 27 28 int main() 29 { 30 // Test the explicit deduction guides 31 { 32 // basic_regex(ForwardIterator, ForwardIterator) 33 // <int> is not an iterator 34 std::basic_regex re(23, 34); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'basic_regex'}} 35 } 36 37 { 38 // basic_regex(ForwardIterator, ForwardIterator, flag_type) 39 // <double> is not an iterator 40 std::basic_regex re(23.0, 34.0, std::regex_constants::basic); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'basic_regex'}} 41 } 42 43 // Test the implicit deduction guides 44 45 } 46
