44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <array>
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// UNSUPPORTED: c++98, c++03, c++11, c++14
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// UNSUPPORTED: libcpp-no-deduction-guides
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// template <class InputIterator, class Allocator = allocator<typename iterator_traits<InputIterator>::value_type>>
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// deque(InputIterator, InputIterator, Allocator = Allocator())
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// -> deque<typename iterator_traits<InputIterator>::value_type, Allocator>;
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//
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#include <deque>
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#include <iterator>
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#include <cassert>
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#include <cstddef>
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#include <climits> // INT_MAX
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struct A {};
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int main(int, char**)
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{
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// Test the explicit deduction guides
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// Test the implicit deduction guides
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{
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// deque (allocator &)
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std::deque deq((std::allocator<int>())); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'deque'}}
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// Note: The extra parens are necessary, since otherwise clang decides it is a function declaration.
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// Also, we can't use {} instead of parens, because that constructs a
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// deque<allocator<int>, allocator<allocator<int>>>
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}
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return 0;
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}
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