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std::uninitialized_fill

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< cpp‎ | memory

 
 
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initializer_list(C++11)
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Swap, forward and move
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ストレージを初期化されていない
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Uninitialized storage
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uninitialized_copy
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uninitialized_fill
uninitialized_fill_n
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C Library
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Defined in header <memory>
template< class ForwardIt, class T >
void uninitialized_fill( ForwardIt first, ForwardIt last, const T& value )
レンジvalueによって定義され、初期化されていないメモリ領域に指定された値[first, last)をコピーします。初期化されていない領域内の要素は、コピーコンストラクタを使用して構築されてい.
Original:
Copies the given value value to an uninitialized memory area, defined by the range [first, last). The elements in the uninitialized area are constructed using copy constructor.
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目次

[編集] パラメータ

first, last -
初期化するための要素の範囲
Original:
the range of the elements to initialize
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value -
で要素を作成するための値
Original:
the value to construct the elements with
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Type requirements
-
ForwardIt must meet the requirements of ForwardIterator.

[編集] 値を返します

(なし)
Original:
(none)
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[編集] 複雑

firstlastとの間の距離の線形
Original:
Linear in the distance between first and last
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[編集] 可能な実装

template<class ForwardIt, class T>
void uninitialized_fill(ForwardIt first, 
                        ForwardIt last,
                        const T& value)
{
    typedef typename std::iterator_traits<ForwardIt>::value_type Value;
    for (; first != last; ++first) {
        ::new (static_cast<void*>(&*first)) Value(value);
    }
}

[編集]

[編集] も参照してください

メモリの初期化されていない領域にオブジェクトをコピーします
Original:
copies an object to an uninitialized area of memory
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(関数テンプレート) [edit]