std::experimental::pmr::polymorphic_allocator<T>::polymorphic_allocator
From cppreference.com
< cpp | experimental | polymorphic allocator
polymorphic_allocator() noexcept; |
(1) | |
polymorphic_allocator(
const polymorphic_allocator& other )
noexcept
=
default
;
|
(2) | |
template
<
class U >
polymorphic_allocator( const polymorphic_allocator<U> & other ) noexcept ; |
(3) | |
polymorphic_allocator( memory_resource* r ); |
(4) | |
Constructs a new polymorphic_allocator
.
1) Constructs a
polymorphic_allocator
using the return value of
std::experimental::pmr::get_default_resource
(
)
2,3) Constructs a
polymorphic_allocator
using other.resource()
4) Constructs a
polymorphic_allocator
using r as the underlying memory resource. This constructor provides an implicit conversion from memory_resource*
Parameters
other | - | another polymorphic_allocator to copy from
|
r | - | pointer to the memory resource to use. May not be null |
Exceptions
4) Throws nothing.