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diff --git a/libcxx/test/std/utilities/memory/unique.ptr/deleter.h b/libcxx/test/std/utilities/memory/unique.ptr/deleter.h
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+++ b/libcxx/test/std/utilities/memory/unique.ptr/deleter.h
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+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <memory>
+
+// unique_ptr
+
+// Example move-only deleter
+
+#ifndef DELETER_H
+#define DELETER_H
+
+#include <type_traits>
+#include <cassert>
+
+template <class T>
+class Deleter
+{
+ int state_;
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ Deleter(const Deleter&);
+ Deleter& operator=(const Deleter&);
+#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ Deleter(Deleter&);
+ Deleter& operator=(Deleter&);
+#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+public:
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ Deleter(Deleter&& r) : state_(r.state_) {r.state_ = 0;}
+ Deleter& operator=(Deleter&& r)
+ {
+ state_ = r.state_;
+ r.state_ = 0;
+ return *this;
+ }
+#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ operator std::__rv<Deleter>() {return std::__rv<Deleter>(*this);}
+ Deleter(std::__rv<Deleter> r) : state_(r->state_) {r->state_ = 0;}
+ Deleter& operator=(std::__rv<Deleter> r)
+ {
+ state_ = r->state_;
+ r->state_ = 0;
+ return *this;
+ }
+#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+ Deleter() : state_(0) {}
+ explicit Deleter(int s) : state_(s) {}
+ ~Deleter() {assert(state_ >= 0); state_ = -1;}
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ template <class U>
+ Deleter(Deleter<U>&& d,
+ typename std::enable_if<!std::is_same<U, T>::value>::type* = 0)
+ : state_(d.state()) {d.set_state(0);}
+
+private:
+ template <class U>
+ Deleter(const Deleter<U>& d,
+ typename std::enable_if<!std::is_same<U, T>::value>::type* = 0);
+#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ template <class U>
+ Deleter(Deleter<U> d,
+ typename std::enable_if<!std::is_same<U, T>::value>::type* = 0)
+ : state_(d.state()) {}
+#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+public:
+ int state() const {return state_;}
+ void set_state(int i) {state_ = i;}
+
+ void operator()(T* p) {delete p;}
+};
+
+template <class T>
+class Deleter<T[]>
+{
+ int state_;
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ Deleter(const Deleter&);
+ Deleter& operator=(const Deleter&);
+#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ Deleter(Deleter&);
+ Deleter& operator=(Deleter&);
+#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+public:
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ Deleter(Deleter&& r) : state_(r.state_) {r.state_ = 0;}
+ Deleter& operator=(Deleter&& r)
+ {
+ state_ = r.state_;
+ r.state_ = 0;
+ return *this;
+ }
+#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ operator std::__rv<Deleter>() {return std::__rv<Deleter>(*this);}
+ Deleter(std::__rv<Deleter> r) : state_(r->state_) {r->state_ = 0;}
+ Deleter& operator=(std::__rv<Deleter> r)
+ {
+ state_ = r->state_;
+ r->state_ = 0;
+ return *this;
+ }
+#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+ Deleter() : state_(0) {}
+ explicit Deleter(int s) : state_(s) {}
+ ~Deleter() {assert(state_ >= 0); state_ = -1;}
+
+ int state() const {return state_;}
+ void set_state(int i) {state_ = i;}
+
+ void operator()(T* p) {delete [] p;}
+};
+
+template <class T>
+void
+swap(Deleter<T>& x, Deleter<T>& y)
+{
+ Deleter<T> t(std::move(x));
+ x = std::move(y);
+ y = std::move(t);
+}
+
+template <class T>
+class CDeleter
+{
+ int state_;
+
+public:
+
+ CDeleter() : state_(0) {}
+ explicit CDeleter(int s) : state_(s) {}
+ ~CDeleter() {assert(state_ >= 0); state_ = -1;}
+
+ template <class U>
+ CDeleter(const CDeleter<U>& d)
+ : state_(d.state()) {}
+
+ int state() const {return state_;}
+ void set_state(int i) {state_ = i;}
+
+ void operator()(T* p) {delete p;}
+};
+
+template <class T>
+class CDeleter<T[]>
+{
+ int state_;
+
+public:
+
+ CDeleter() : state_(0) {}
+ explicit CDeleter(int s) : state_(s) {}
+ ~CDeleter() {assert(state_ >= 0); state_ = -1;}
+
+ int state() const {return state_;}
+ void set_state(int i) {state_ = i;}
+
+ void operator()(T* p) {delete [] p;}
+};
+
+template <class T>
+void
+swap(CDeleter<T>& x, CDeleter<T>& y)
+{
+ CDeleter<T> t(std::move(x));
+ x = std::move(y);
+ y = std::move(t);
+}
+
+#endif // DELETER_H
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