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std::vector::reserve

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
 
void reserve( size_type size );
少なくともsizeへのコンテナの容量を設定します。必要に応じて、新しいストレージが割り当てられている.
Original:
Sets the capacity of the container to at least size. New storage is allocated if necessary.
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目次

[編集] パラメータ

size -
コンテナの新しい能力
Original:
new capacity of the container
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[編集] 値を返します

(なし)
Original:
(none)
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[編集] 例外

std::length_error if size > max_size().

[編集] 複雑

容器の大きさに比例
Original:
linear in the size of the container
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[編集] も参照してください

現在割り当てられているストレージに保持することができる要素の数を返します
Original:
returns the number of elements that can be held in currently allocated storage
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(パブリックメンバ関数) [edit]