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std::experimental::pmr::polymorphic_allocator::polymorphic_allocator(3) | C++ Standard Libary | std::experimental::pmr::polymorphic_allocator::polymorphic_allocator(3) |
NAME¶
std::experimental::pmr::polymorphic_allocator::polymorphic_allocator - std::experimental::pmr::polymorphic_allocator::polymorphic_allocator
Synopsis¶
polymorphic_allocator() noexcept; (1)
polymorphic_allocator( const polymorphic_allocator& other ) noexcept =
default; (2)
template< class U > (3)
polymorphic_allocator( const polymorphic_allocator<U>& other )
noexcept;
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() as the underlying memory
resource.
2-3) Constructs a polymorphic_allocator using other.resource() as the
underlying
memory 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.
2022.07.31 | http://cppreference.com |