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//===----------------------------------------------------------------------===//
//
// 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>>>
}
}
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