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std::deque::operator=

提供: cppreference.com
< cpp‎ | container‎ | deque

 
 
 
はstd :: dequeの
メンバ関数
Original:
Member functions
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deque::deque
deque::~deque
deque::operator=
deque::assign
deque::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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deque::front
deque::back
イテレータ
Original:
Iterators
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deque::begin
deque::cbegin

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

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

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

(C++11)
容量
Original:
Capacity
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deque::empty
deque::size
deque::max_size
deque::shrink_to_fit
修飾子
Original:
Modifiers
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deque::clear
deque::insert
deque::emplace
deque::erase
deque::push_front
deque::emplace_front
deque::pop_front
deque::push_back
deque::emplace_back
deque::pop_back
deque::resize
deque::swap
 
deque& operator=( const deque& other );
(1)
deque& operator=( deque&& other );
(2) (C++11およびそれ以降)
コンテナの内容を置き換え.
Original:
Replaces the contents of the container.
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1)
コピー代入演算子。 otherの内容のコピーを使って内容を置き換え.
Original:
Copy assignment operator. Replaces the contents with a copy of the contents of other.
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2)
代入演算子を移動します。ムーブセマンティクス(すなわちother内のデータは、このコンテナにotherから移動されている)を使用してotherのものと内容を置き換えます。 otherその後は有効ですが、特定されていない状態になっている.
Original:
Move assignment operator. Replaces the contents with those of other using move semantics (i.e. the data in other is moved from other into this container). other is in valid, but unspecified state afterwards.
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目次

[編集] パラメータ

other -
ソースとして使用する別のコンテナ
Original:
another container to be used as source
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[編集] 値を返します

*this

[編集] 複雑

1)
容器の大きさに比例.
Original:
Linear in the size of the container.
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2)
定数.
Original:
Constant.
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[編集]

次のコードは、別のを割り当てることstd::dequeを使用しています
Original:
The following code uses to assign one std::deque to another:
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#include <deque>
#include <iostream>
 
void display_sizes(const std::deque<int> &nums1,
                   const std::deque<int> &nums2,
                   const std::deque<int> &nums3)
{
    std::cout << "nums1: " << nums1.size() 
              << " nums2: " << nums2.size()
              << " nums3: " << nums3.size() << '\n';
}
 
int main()
{
    std::deque<int> nums1 {3, 1, 4, 6, 5, 9};
    std::deque<int> nums2; 
    std::deque<int> nums3;
 
    std::cout << "Initially:\n";
    display_sizes(nums1, nums2, nums3);
 
    // copy assignment copies data from nums1 to nums2
    nums2 = nums1;
 
    std::cout << "After assigment:\n"; 
    display_sizes(nums1, nums2, nums3);
 
    // move assignment moves data from nums1 to nums3,
    // modifying both nums1 and nums3
    nums3 = std::move(nums1);
 
    std::cout << "After move assigment:\n"; 
    display_sizes(nums1, nums2, nums3);
}

Output:

Initially:
nums1: 4 nums2: 0 nums3: 0
After assigment:
nums1: 4 nums2: 4 nums3: 0
After move assigment:
nums1: 0 nums2: 4 nums3: 4

[編集] も参照してください

dequeを構築します
Original:
constructs the deque
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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]