199bee0ea7
Review: http://reviews.llvm.org/D14839 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@255941 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
1011 B
C++
35 lines
1011 B
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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// <tuple>
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// template <class... Types> class tuple;
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// template <size_t I, class... Types>
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// const typename tuple_element<I, tuple<Types...> >::type&&
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// get(const tuple<Types...>&& t);
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// UNSUPPORTED: c++98, c++03
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#include <tuple>
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template <class T> void cref(T const&) {};
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template <class T> void cref(T const&&) = delete;
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std::tuple<int> const tup4() { return std::make_tuple(4); }
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int main()
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{
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// LWG2485: tuple should not open a hole in the type system, get() should
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// imitate [expr.ref]'s rules for accessing data members
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{
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cref(std::get<0>(tup4())); // expected-error {{call to deleted function 'cref'}}
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}
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}
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