cppdraft_translate/cppdraft/mem/poly/allocator/ctor.md

[mem.poly.allocator.ctor]

20 Memory management library [mem]

20.5 Memory resources [mem.res]

20.5.3 Class template polymorphic_allocator [mem.poly.allocator.class]

20.5.3.2 Constructors [mem.poly.allocator.ctor]

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polymorphic_allocator() noexcept;

1

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Effects: Sets memory_rsrc to get_default_resource().

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polymorphic_allocator(memory_resource* r);

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Preconditions: r is non-null.

3

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Effects: Sets memory_rsrc to r.

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Throws: Nothing.

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[Note 1:

This constructor provides an implicit conversion from memory_resource*.

— end note]

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template<class U> polymorphic_allocator(const polymorphic_allocator<U>& other) noexcept;

6

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Effects: Sets memory_rsrc to other.resource().