tmp/tmp9dgoifd0/{from.md → to.md}
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##### Constructors, destructor, and assignment <a id="saferecl.hp.holder.ctor">[[saferecl.hp.holder.ctor]]</a>
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``` cpp
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hazard_pointer() noexcept;
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```
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*Ensures:* `*this` is empty.
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``` cpp
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hazard_pointer(hazard_pointer&& other) noexcept;
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```
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*Ensures:* If `other` is empty, `*this` is empty. Otherwise, `*this`
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owns the hazard pointer originally owned by `other`; `other` is empty.
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``` cpp
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~hazard_pointer();
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```
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*Effects:* If `*this` is not empty, destroys the hazard pointer owned by
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`*this`, thereby ending its current protection epoch.
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``` cpp
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hazard_pointer& operator=(hazard_pointer&& other) noexcept;
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```
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*Effects:* If `this == &other` is `true`, no effect. Otherwise, if
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`*this` is not empty, destroys the hazard pointer owned by `*this`,
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thereby ending its current protection epoch.
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*Ensures:* If `other` was empty, `*this` is empty. Otherwise, `*this`
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owns the hazard pointer originally owned by `other`. If `this != &other`
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is `true`, `other` is empty.
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*Returns:* `*this`.
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