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std::unordered_set::erase

提供: cppreference.com

 
 
 
のstd :: unordered_set
メンバ関数
Original:
Member functions
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unordered_set::unordered_set
unordered_set::~unordered_set
unordered_set::operator=
unordered_set::get_allocator
イテレータ
Original:
Iterators
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unordered_set::begin
unordered_set::cbegin
unordered_set::end
unordered_set::cend
容量
Original:
Capacity
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unordered_set::erase
unordered_set::size
unordered_set::max_size
修飾子
Original:
Modifiers
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unordered_set::clear
unordered_set::insert
unordered_set::emplace
unordered_set::emplace_hint
unordered_set::erase
unordered_set::swap
ルック
Original:
Lookup
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unordered_set::count
unordered_set::find
unordered_set::equal_range
バケットインターフェイス
Original:
Bucket interface
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unordered_set::begin2
unordered_set::end2
unordered_set::bucket_count
unordered_set::max_bucket_count
unordered_set::bucket_size
unordered_set::bucket
ハッシュポリシー
Original:
Hash policy
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unordered_set::load_factor
unordered_set::max_load_factor
unordered_set::rehash
unordered_set::reserve
オブザーバー
Original:
Observers
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unordered_set::hash_function
unordered_set::key_eq
 
iterator erase( const_iterator position );
(1) (C++11およびそれ以降)
iterator erase( const_iterator first, const_iterator last );
(2) (C++11およびそれ以降)
size_type erase( const key_type& key );
(3) (C++11およびそれ以降)
コンテナから指定された要素を削除します.
Original:
Removes specified elements from the container.
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1)
posにある要素を削除します。.
Original:
Removes the element at pos.
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2)
レンジ[first; last)内の要素を削除します.
Original:
Removes the elements in the range [first; last).
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3)
キー値keyを持つすべての要素を削除します
Original:
Removes all elements with the key value key
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References and iterators to the erased elements are invalidated. Other iterators and references are not invalidated.

目次

[編集] パラメータ

pos -
削除する要素を指すイテレータ
Original:
iterator to the element to remove
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first, last -
削除する要素の範囲
Original:
range of elements to remove
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key -
削除する要素のキー値
Original:
key value of the elements to remove
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[編集] 値を返します

1-2)
最後に削除された要素に続くイテレータ.
Original:
Iterator following the last removed element.
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3)
削除された要素の数が.
Original:
Number of elements removed.
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[編集] 複雑

1) Average case: constant, worst case: a.size()
2) Average case: std::distance(first, last), worst case: a.size()
3) Average case: a.count(key), worst case: a.size()

[編集] も参照してください

全ての要素を削除します
(パブリックメンバ関数) [edit]