object::swap
Swap two objects.
Synopsis
void
swap(
object& other);
Description
Exchanges the contents of this object with another object. Ownership of the respective boost::container::pmr::memory_resource
objects is not transferred.
-
If
*other.storage() == *this->storage()
, ownership of the underlying memory is swapped in constant time, with no possibility of exceptions. All iterators and references remain valid. -
If
*other.storage() != *this->storage()
, the contents are logically swapped by making copies, which can throw. In this case all iterators and references are invalidated.
Complexity
Constant or linear in size()
plus other.size()
.
Exception Safety
Strong guarantee. Calls to memory_resource::allocate
may throw.
Parameters
Name | Description |
---|---|
|
The object to swap with. If |