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41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <vector>
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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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// vector(InputIterator, InputIterator, Allocator = Allocator())
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// -> vector<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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int main()
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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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// vector (allocator &)
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std::vector vec((std::allocator<int>())); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'vector'}}
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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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}
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