std::experimental::pmr::polymorphic_allocator::polymorphic_allocator
From cppreference.com
< cpp | experimental | polymorphic allocator
polymorphic_allocator();
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(1) | |
polymorphic_allocator( const polymorphic_allocator& other ) = default;
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(2) | |
template< class U >
polymorphic_allocator( const polymorphic_allocator<U>& other ); |
(3) | |
polymorphic_allocator( memory_resource* r);
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(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*
.[edit] Parameters
other | - | another polymorphic_allocator to copy from
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r | - | pointer to the memory resource to use. May not be null. |
[edit] Exceptions
1,3)
noexcept specification:
noexcept
4) Throws nothing.