e739d54f86
Summary: This patch adds std::any by moving/adapting <experimental/any>. This patch also implements the std::any parts of p0032r3 (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0032r3.pdf) and LWG 2509 (http://cplusplus.github.io/LWG/lwg-defects.html#2509). I plan to push it in a day or two if there are no comments. Reviewers: mclow.lists, EricWF Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D22733 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@278310 91177308-0d34-0410-b5e6-96231b3b80d8
64 lines
1.3 KiB
C++
64 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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// UNSUPPORTED: c++98, c++03, c++11
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// <experimental/any>
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// any::clear() noexcept
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#include <experimental/any>
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#include <cassert>
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#include "experimental_any_helpers.h"
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int main()
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{
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using std::experimental::any;
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using std::experimental::any_cast;
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// empty
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{
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any a;
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// noexcept check
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static_assert(
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noexcept(a.clear())
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, "any.clear() must be noexcept"
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);
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assertEmpty(a);
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a.clear();
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assertEmpty(a);
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}
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// small object
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{
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any a((small(1)));
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assert(small::count == 1);
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assertContains<small>(a, 1);
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a.clear();
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assertEmpty<small>(a);
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assert(small::count == 0);
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}
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// large object
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{
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any a(large(1));
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assert(large::count == 1);
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assertContains<large>(a);
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a.clear();
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assertEmpty<large>(a);
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assert(large::count == 0);
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}
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}
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