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std::map::emplace

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 >
std::pair<iterator,bool> emplace( Args&&... args );
(C + + 11以来)
容器への挿入は、新しい要素。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. 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

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

returns a pair consisting of a bool denoting whether the insertion took place and an iterator to the inserted element.

[編集] 複雑

Logarithmic in the size of the container.

[編集] も参照してください

ヒントを使用してその場で要素を構成します
Original:
constructs elements in-place using a hint
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(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]