cpp/named req/MoveInsertable
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Specifies that a rvalue of the type can be copied in uninitialized storage.
Requirements
The type T is Template:concept into the Template:concept X if, given
A
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the allocator type defined as X::allocator_type
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m
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the lvalue of type A obtained from X::get_allocator()
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p
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the pointer of type T* prepared by the container
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rv
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rvalue expression of type T, provided as the argument to push_back(), etc
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the following expression is well-formed:
std::allocator_traits<A>::construct(m, p, rv);
The difference with Template:concept is that the requirement is for an rvalue expression of type T.
Note that if A is std::allocator<T>, then this will call placement-new, as by ::new((void*)p) T(rv).
See Also
| Template:concept |
