20 General utilities library [utilities]

20.13 Class template scoped_­allocator_­adaptor [allocator.adaptor]

20.13.3 Constructors [allocator.adaptor.cnstr]

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scoped_allocator_adaptor();
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Effects: Value-initializes the OuterAlloc base class and the inner allocator object.
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template<class OuterA2> scoped_allocator_adaptor(OuterA2&& outerAlloc, const InnerAllocs&... innerAllocs) noexcept;
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Constraints: is_­constructible_­v<OuterAlloc, OuterA2> is true.
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Effects: Initializes the OuterAlloc base class with std​::​forward<OuterA2>(outerAlloc) and inner with innerAllocs... (hence recursively initializing each allocator within the adaptor with the corresponding allocator from the argument list).
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scoped_allocator_adaptor(const scoped_allocator_adaptor& other) noexcept;
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Effects: Initializes each allocator within the adaptor with the corresponding allocator from other.
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scoped_allocator_adaptor(scoped_allocator_adaptor&& other) noexcept;
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Effects: Move constructs each allocator within the adaptor with the corresponding allocator from other.
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template<class OuterA2> scoped_allocator_adaptor( const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& other) noexcept;
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Constraints: is_­constructible_­v<OuterAlloc, const OuterA2&> is true.
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Effects: Initializes each allocator within the adaptor with the corresponding allocator from other.
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template<class OuterA2> scoped_allocator_adaptor(scoped_allocator_adaptor<OuterA2, InnerAllocs...>&& other) noexcept;
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Constraints: is_­constructible_­v<OuterAlloc, OuterA2> is true.
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Effects: Initializes each allocator within the adaptor with the corresponding allocator rvalue from other.