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[libcxx] Add std::any
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
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@@ -7,12 +7,17 @@
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//
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//===----------------------------------------------------------------------===//
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#include "any"
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#include "experimental/any"
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_LIBCPP_BEGIN_NAMESPACE_LFTS
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namespace std {
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const char* bad_any_cast::what() const _NOEXCEPT {
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return "bad any cast";
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}
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}
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_LIBCPP_BEGIN_NAMESPACE_LFTS
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const char* bad_any_cast::what() const _NOEXCEPT {
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return "bad any cast";
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}
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_LIBCPP_END_NAMESPACE_LFTS
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