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 // <string>
11 // UNSUPPORTED: c++98, c++03, c++11, c++14
12 // XFAIL: libcpp-no-deduction-guides
13
14 // template<class InputIterator>
15 // basic_string(InputIterator begin, InputIterator end,
16 // const Allocator& a = Allocator());
17
18 // template<class charT,
19 // class traits,
20 // class Allocator = allocator<charT>
21 // >
22 // basic_string(basic_string_view<charT, traits>, const Allocator& = Allocator())
23 // -> basic_string<charT, traits, Allocator>;
24 //
25 // The deduction guide shall not participate in overload resolution if Allocator
26 // is a type that does not qualify as an allocator.
27
28
29 #include <string>
30 #include <string_view>
31 #include <iterator>
32 #include <cassert>
33 #include <cstddef>
34
main()35 int main()
36 {
37 {
38 std::string_view sv = "12345678901234";
39 std::basic_string s1{sv, 23}; // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'basic_string'}}
40 }
41 }
42