tmp/tmpbompc6_3/{from.md → to.md}
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##### Modifiers <a id="unique.ptr.single.modifiers">[[unique.ptr.single.modifiers]]</a>
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``` cpp
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pointer release() noexcept;
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```
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*Ensures:* `get() == nullptr`.
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*Returns:* The value `get()` had at the start of the call to `release`.
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``` cpp
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void reset(pointer p = pointer()) noexcept;
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```
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*
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*Effects:* Assigns `p` to the stored pointer, and then if and only if
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the old value of the stored pointer, `old_p`, was not equal to
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`nullptr`, calls `get_deleter()(old_p)`.
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[*Note 5*: The order of these operations is significant because the
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call to `get_deleter()`
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*Ensures:* `get() == p`.
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[*Note 6*: The postcondition does not hold if the call to
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`get_deleter()` destroys `*this` since `this->get()` is no longer a
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valid expression. — *end note*]
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``` cpp
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void swap(unique_ptr& u) noexcept;
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```
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*Preconditions:* `get_deleter()` is swappable [[swappable.requirements]]
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and does not throw an exception under `swap`.
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##### Modifiers <a id="unique.ptr.single.modifiers">[[unique.ptr.single.modifiers]]</a>
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``` cpp
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constexpr pointer release() noexcept;
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```
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*Ensures:* `get() == nullptr`.
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*Returns:* The value `get()` had at the start of the call to `release`.
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``` cpp
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constexpr void reset(pointer p = pointer()) noexcept;
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```
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*Effects:* Assigns `p` to the stored pointer, and then, with the old
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value of the stored pointer, `old_p`, evaluates
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`if (old_p) get_deleter()(old_p);`
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[*Note 5*: The order of these operations is significant because the
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call to `get_deleter()` might destroy `*this`. — *end note*]
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*Ensures:* `get() == p`.
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[*Note 6*: The postcondition does not hold if the call to
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`get_deleter()` destroys `*this` since `this->get()` is no longer a
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valid expression. — *end note*]
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*Remarks:* The behavior is undefined if the evaluation of
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`get_deleter()(old_p)` throws an exception.
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``` cpp
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constexpr void swap(unique_ptr& u) noexcept;
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```
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*Preconditions:* `get_deleter()` is swappable [[swappable.requirements]]
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and does not throw an exception under `swap`.
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