| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <forward_list> |
| // UNSUPPORTED: c++98, c++03, c++11, c++14 |
| // UNSUPPORTED: libcpp-no-deduction-guides |
| |
| |
| // template <class InputIterator, class Allocator = allocator<typename iterator_traits<InputIterator>::value_type>> |
| // forward_list(InputIterator, InputIterator, Allocator = Allocator()) |
| // -> forward_list<typename iterator_traits<InputIterator>::value_type, Allocator>; |
| // |
| |
| |
| #include <forward_list> |
| #include <iterator> |
| #include <cassert> |
| #include <cstddef> |
| #include <climits> // INT_MAX |
| |
| struct A {}; |
| |
| int main(int, char**) |
| { |
| // Test the explicit deduction guides |
| |
| // Test the implicit deduction guides |
| { |
| // forward_list (allocator &) |
| std::forward_list fwl((std::allocator<int>())); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'forward_list'}} |
| // Note: The extra parens are necessary, since otherwise clang decides it is a function declaration. |
| // Also, we can't use {} instead of parens, because that constructs a |
| // forward_list<allocator<int>, allocator<allocator<int>>> |
| } |
| |
| |
| return 0; |
| } |
