| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <array> |
| // 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>> |
| // deque(InputIterator, InputIterator, Allocator = Allocator()) |
| // -> deque<typename iterator_traits<InputIterator>::value_type, Allocator>; |
| // |
| |
| |
| #include <deque> |
| #include <iterator> |
| #include <cassert> |
| #include <cstddef> |
| #include <climits> // INT_MAX |
| |
| struct A {}; |
| |
| int main() |
| { |
| // Test the explicit deduction guides |
| |
| // Test the implicit deduction guides |
| { |
| // deque (allocator &) |
| std::deque deq((std::allocator<int>())); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'deque'}} |
| // 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 |
| // deque<allocator<int>, allocator<allocator<int>>> |
| } |
| |
| } |