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std::unordered_map::insert

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std::unordered_map
メンバ関数
Original:
Member functions
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unordered_map::unordered_map
unordered_map::~unordered_map
unordered_map::operator=
unordered_map::get_allocator
イテレータ
Original:
Iterators
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unordered_map::begin
unordered_map::cbegin
unordered_map::end
unordered_map::cend
容量
Original:
Capacity
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unordered_map::erase
unordered_map::size
unordered_map::max_size
修飾子
Original:
Modifiers
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unordered_map::clear
unordered_map::insert
unordered_map::emplace
unordered_map::emplace_hint
unordered_map::erase
unordered_map::swap
ルック
Original:
Lookup
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unordered_map::count
unordered_map::find
unordered_map::equal_range
バケットインターフェイス
Original:
Bucket interface
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unordered_map::begin2
unordered_map::end2
unordered_map::bucket_count
unordered_map::max_bucket_count
unordered_map::bucket_size
unordered_map::bucket
ハッシュポリシー
Original:
Hash policy
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unordered_map::load_factor
unordered_map::max_load_factor
unordered_map::rehash
unordered_map::reserve
オブザーバー
Original:
Observers
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unordered_map::hash_function
unordered_map::key_eq
 
std::pair<iterator,bool> insert( const value_type& value );
(1) (C + + 11以来)
template <class P>
std::pair<iterator,bool> insert( P&& value );
(2) (C + + 11以来)
iterator insert( const_iterator hint, const value_type& value );
(3) (C + + 11以来)
template <class P>
iterator insert( const_iterator hint, P&& value );
(4) (C + + 11以来)
template< class InputIt >
void insert( InputIt first, InputIt last );
(5) (C + + 11以来)
void insert( std::initializer_list<value_type> ilist );
(6) (C + + 11以来)

Inserts element(s) to the container, if the container doesn't already contain an element with equivalent key.

1-2)
挿入value
Original:
inserts value.
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3-4) inserts value, using hint as a non-binding suggestion to where the search should start.

5)
レンジ[first, last)からの挿入要素.
Original:
inserts elements from range [first, last).
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6)
初期化子リストから挿入要素ilist.
Original:
inserts elements from initializer list ilist.
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If rehashing occurs due to the insertion, all iterators are invalidated. Otherwise iterators are not affected. References are not invalidated. Rehashing occurs only if the new number of elements is higher than max_load_factor()*bucket_count().

目次

[編集] パラメータ

hint -
コンテンツ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 content
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value -
要素には、値挿入する
Original:
element value to insert
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first, last -
挿入する要素の範囲
Original:
range of elements to insert
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ilist -
初期化子は、リストから値を挿入する
Original:
initializer list to insert the values from
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Type requirements
-
InputIt must meet the requirements of InputIterator.

[編集] 値を返します

1-2) returns a pair consisting of an iterator to the inserted element (or to the element that prevented the insertion) and a bool denoting whether the insertion took place.

3-4) returns an iterator to the inserted element, or to the element that prevented the insertion.

5-6)
なし.
Original:
none.
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[編集] 複雑

1-4) Average case: O(1), worst case O(size())

5-6) Average case: O(N), where N is the number of elements to insert. Worse case: O(N*size()+N)

[編集] も参照してください

constructs element in-place
(パブリックメンバ関数) [edit]
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]