23 General utilities library [utilities]

23.11 Smart pointers [smartptr]

23.11.1 Class template unique_­ptr [unique.ptr]

23.11.1.2 unique_­ptr for single objects [unique.ptr.single]

23.11.1.2.5 unique_­ptr modifiers [unique.ptr.single.modifiers]

pointer release() noexcept;

1
#

Postconditions: get() == nullptr.

2
#

Returns: The value get() had at the start of the call to release.

void reset(pointer p = pointer()) noexcept;

3
#

Requires: The expression get_­deleter()(get()) shall be well formed, shall have well-defined behavior, and shall not throw exceptions.

4
#

Effects: Assigns p to the stored pointer, and then if and only if the old value of the stored pointer, old_­p, was not equal to nullptr, calls get_­deleter()(old_­p). [ Note: The order of these operations is significant because the call to get_­deleter() may destroy *this.  — end note ]

5
#

Postconditions: get() == p. [ Note: The postcondition does not hold if the call to get_­deleter() destroys *this since this->get() is no longer a valid expression.  — end note ]

void swap(unique_ptr& u) noexcept;

6
#

Requires: get_­deleter() shall be swappable and shall not throw an exception under swap.

7
#

Effects: Invokes swap on the stored pointers and on the stored deleters of *this and u.