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std::vector::vector

提供: cppreference.com
< cpp‎ | container‎ | vector

 
 
 
std::vector
メンバ関数
Original:
Member functions
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vector::vector
vector::~vector
vector::operator=
vector::assign
vector::get_allocator
要素アクセスの循環参照を解除するために使用されている
Original:
Element access
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vector::at
vector::operator[]
vector::front
vector::back
vector::data(C++11)
イテレータ
Original:
Iterators
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vector::begin
vector::cbegin

(C++11)
vector::end
vector::cend

(C++11)
vector::rbegin
vector::crbegin

(C++11)
vector::rend
vector::crend

(C++11)
容量
Original:
Capacity
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vector::empty
vector::size
vector::max_size
vector::reserve
vector::capacity
vector::shrink_to_fit(C++11)
修飾子
Original:
Modifiers
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vector::clear
vector::insert
vector::emplace(C++11)
vector::erase
vector::push_back
vector::emplace_back(C++11)
vector::pop_back
vector::resize
vector::swap
 
explicit vector( const Allocator& alloc = Allocator() );
(1)
explicit vector( size_type count,

                 const T& value = T(),
                 const Allocator& alloc = Allocator());
         vector( size_type count,
                 const T& value,

                 const Allocator& alloc = Allocator());
(2) (C++11以前)


(C++11およびそれ以降)
explicit vector( size_type count );
(3) (C++11およびそれ以降)
template< class InputIt >

vector( InputIt first, InputIt last,

        const Allocator& alloc = Allocator() );
(4)
vector( const vector& other );
(5)
vector( const vector& other, const Allocator& alloc );
(5) (C++11およびそれ以降)
vector( vector&& other )
(6) (C++11およびそれ以降)
vector( vector&& other, const Allocator& alloc );
(6) (C++11およびそれ以降)
vector( std::initializer_list<T> init,
        const Allocator& alloc = Allocator() );
(7) (C++11およびそれ以降)
さまざまなデータソースから新しいコンテナを構築し、必要に応じてユーザーが指定したアロケータallocを使用して.
Original:
Constructs new container from a variety of data sources and optionally using user supplied allocator alloc.
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1)
デフォルトのコンストラクタです。空のコンテナを構築し.
Original:
Default constructor. Constructs empty container.
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2)
count持つ要素のvalueコピーでコンテナを構築し.
Original:
Constructs the container with count copies of elements with value value.
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3)
countTのインスタンス(デフォルトはクラスのために、構築された)値が初期化された容器を構築します。コピーは作成されません.
Original:
Constructs the container with count value-initialized (default constructed, for classes) instances of T. No copies are made.
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4)
レンジ[first, last)の内容でコンテナを構築し.
Original:
Constructs the container with the contents of the range [first, last).
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5)
コンストラクタをコピーします。 otherの内容のコピーを使用してコンテナを作成します。 allocが提供されていない場合、アロケータはstd::allocator_traits<allocator_type>::select_on_copy_construction(other)を呼び出すことによって取得されます.
Original:
Copy constructor. Constructs the container with the copy of the contents of other. If alloc is not provided, allocator is obtained by calling std::allocator_traits<allocator_type>::select_on_copy_construction(other).
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6)
コンストラクタを移動します。ムーブセマンティクスを使用してotherの内容でコンテナを構築します。 allocが提供されていない場合、アロケータはotherに属するアロケータから入居建設することによって得られる.
Original:
Move constructor. Constructs the container with the contents of other using move semantics. If alloc is not provided, allocator is obtained by move-construction from the allocator belonging to other.
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7)
初期化子リストの内容でコンテナを構築しinit.
Original:
Constructs the container with the contents of the initializer list init.
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目次

[編集] パラメータ

alloc -
このコンテナのすべてのメモリ割り当てに使用するアロケータ
Original:
allocator to use for all memory allocations of this container
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count -
コンテナのサイズ
Original:
the size of the container
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value -
でコンテナの要素を初期化するための値
Original:
the value to initialize elements of the container with
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first, last -
から要素をコピーする範囲
Original:
the range to copy the elements from
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other -
別の容器では、容器の要素を初期化するためのソースとして使用される
Original:
another container to be used as source to initialize the elements of the container with
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init -
でコンテナの要素を初期化する初期化子リスト
Original:
initializer list to initialize the elements of the container with
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Type requirements
-
InputIt must meet the requirements of InputIterator.

[編集] 複雑

1)
定数
Original:
Constant
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2-3)
countのリニア
Original:
Linear in count
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4)
firstlastとの間の距離の線形
Original:
Linear in distance between first and last
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5)
otherの大きさに比例
Original:
Linear in size of other
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6)
定数。 allocが与えられ、alloc != other.get_allocator()、リニアされている場合.
Original:
Constant. If alloc is given and alloc != other.get_allocator(), then linear.
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7)
initの大きさに比例
Original:
Linear in size of init
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[編集]

#include <vector>
#include <string>
 
int main() 
{
    // c++11 initializer list syntax:
    std::vector<std::string> words1 {"the", "frogurt", "is", "also", "cursed"};
 
    // words2 == words1
    std::vector<std::string> words2(words1.begin(), words1.end());
 
    // words3 == words1
    std::vector<std::string> words3(words1);
 
    // words4 is {"Mo", "Mo", "Mo", "Mo", "Mo"}
    std::vector<std::string> words4(5, "Mo");
 
    return 0;
}


[編集] も参照してください

コンテナに値を割り当てます
Original:
assigns values to the container
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(パブリックメンバ関数) [edit]
コンテナに値を割り当てます
Original:
assigns values to the container
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(パブリックメンバ関数) [edit]