Return a shared_ptr managing a newly created object.

Synopsis

Declared in <bslstl_sharedptr.h>

template<
    class ARRAY_TYPE,
    class ALLOC>
bsl::shared_ptr<ARRAY_TYPE>
allocate_shared(
    ALLOC basicAllocator,
    std::size_t numElements)
requires is_unbounded_array<ARRAY_TYPE>::value &&
                                                     !is_pointer<ALLOC>::value;

Description

Return a shared_ptr object referring to and managing a new ARRAY_TYPE object, where ARRAY_TYPE is a unbounded array. The specified basicAllocator will be used to supply a single contiguous region of memory holding the returned shared pointer's internal representation and the new ARRAY_TYPE containing the specified numElements number of elements, and each element in the array is default constructed.

Return Value

shared pointer managing a newly created object

Parameters

Name

Description

basicAllocator

allocator used to supply memory

numElements

number of elements in the unbounded array

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