| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // <array> |
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| 10 | // UNSUPPORTED: c++03, c++11, c++14 |
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| 11 | |
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| 12 | // template <class InputIterator, class Allocator = allocator<typename iterator_traits<InputIterator>::value_type>> |
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| 13 | // deque(InputIterator, InputIterator, Allocator = Allocator()) |
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| 14 | // -> deque<typename iterator_traits<InputIterator>::value_type, Allocator>; |
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| 15 | // |
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| 16 | |
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| 17 | #include <deque> |
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| 18 | #include <iterator> |
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| 19 | #include <cassert> |
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| 20 | #include <cstddef> |
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| 21 | #include <climits> // INT_MAX |
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| 22 | |
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| 23 | struct A {}; |
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| 24 | |
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| 25 | int main(int, char**) { |
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| 26 | // Test the explicit deduction guides |
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| 27 | |
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| 28 | // Test the implicit deduction guides |
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| 29 | { |
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| 30 | // deque (allocator &) |
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| 31 | std::deque deq((std::allocator< int>())); |
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| 32 | // expected-error-re@-1 {{no viable constructor or deduction guide for deduction of template arguments of '{{(std::)?}}deque'}} |
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| 33 | // Note: The extra parens are necessary, since otherwise clang decides it is a function declaration. |
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| 34 | // Also, we can't use {} instead of parens, because that constructs a |
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| 35 | // deque<allocator<int>, allocator<allocator<int>>> |
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| 36 | } |
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| 37 | |
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| 38 | return 0; |
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| 39 | } |
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| 40 | |
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