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Add alloc_construct_n overload for input iterators

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Glen Fernandes
2019-05-11 12:37:48 -04:00
parent b0df75ad1c
commit 6b65cde816
3 changed files with 51 additions and 0 deletions
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13
doc/alloc_construct.qbk
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@@ -67,6 +67,9 @@ void alloc_construct_n(A& a, T* p, std::size_t n);
template<class A, class T>
void alloc_construct_n(A& a, T* p, std::size_t n, const T* l, std::size_t m);
template<class A, class T, class I>
void alloc_construct_n(A& a, T* p, std::size_t n, I begin);
} /* boost */
```
@@ -109,6 +112,16 @@ const T* l, std::size_t m);`]
`std::allocator_traits<A>::construct(a, &p[i], l[i % m])`.]]
[[Remarks]
[If an exception is thrown destroys each already constructed `j`-th element in
reverse order by calling `std::allocator_traits<A>::destroy(a, &p[j])`.]]]]]
[[`template<class A, class T, class I> void alloc_construct_n(A& a, T* p,
std::size_t n, I begin);`]
[[variablelist
[[Requires][`A` is an /Allocator/; `I` is an /InputIterator/]]
[[Effects]
[Constructs each `i`-th element in order by calling
`std::allocator_traits<A>::construct(a, &p[i], *begin++])`.]]
[[Remarks]
[If an exception is thrown destroys each already constructed `j`-th element in
reverse order by calling `std::allocator_traits<A>::destroy(a, &p[j])`.]]]]]]
[endsect]