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std::map::emplace_hint

提供: cppreference.com
< cpp‎ | container‎ | map

 
 
 
std::map
メンバ関数
Original:
Member functions
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map::map
map::~map
map::operator=
map::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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map::at
map::operator[]
イテレータ
Original:
Iterators
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map::begin
map::cbegin

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

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

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

(C++11)
容量
Original:
Capacity
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map::empty
map::size
map::max_size
修飾子
Original:
Modifiers
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map::clear
map::insert
map::emplace(C++11)
map::emplace_hint(C++11)
map::erase
map::swap
ルック
Original:
Lookup
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map::count
map::find
map::equal_range
map::lower_bound
map::upper_bound
オブザーバー
Original:
Observers
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map::key_comp
map::value_comp
 
template <class... Args>
iterator emplace_hint( const_iterator hint, Args&&... args );
(C++11およびそれ以降)
挿入コンテナに新しい要素、要素は行くべき提案としてhintを使用しています。要素はその場で構成され、操作が実行されないコピーや移動、すなわちません。 The constructor of the element type (value_type, that is, std::pair<const Key, T>) is called with exactly the same arguments as supplied to the function, forwarded with std::forward<Args>(args)....
Original:
Inserts a new element to the container, using hint as a suggestion where the element should go. The element is constructed in-place, i.e. no copy or move operations are performed. The constructor of the element type (value_type, that is, std::pair<const Key, T>) is called with exactly the same arguments as supplied to the function, forwarded with std::forward<Args>(args)....
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No iterators or references are invalidated.

目次

[編集] パラメータ

hint -
新しい要素を挿入する場所についての提案として使用されるイテレータ
Original:
iterator, used as a suggestion as to where to insert the new element
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args -
要素のコンストラクタに転送するための引数
Original:
arguments to forward to the constructor of the element
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[編集] 値を返します

新しく挿入された要素を指すイテレータを返す.
Original:
Returns an iterator to the newly inserted element.
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If the insertion failed because the element already exists, returns an iterator to the already existing element with the equivalent key.

[編集] 複雑

Logarithmic in the size of the container in general, but amortized constant if the new element is inserted just before hint.

[編集] も参照してください

(C++11)
constructs element in-place
(パブリックメンバ関数) [edit]
要素を挿入します
(パブリックメンバ関数) [edit]