std::vector::insert

 

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std::vector

成员函数 Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

vector::vector

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元素的访问 Original: Element access The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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迭代器 Original: Iterators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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容量 Original: Capacity The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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修饰符 Original: Modifiers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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iterator insert( iterator pos, const T& value ); iterator insert( const_iterator pos, const T& value );	(1)	（至 C++11） （C++11 起）
iterator insert( const_iterator pos, T&& value );	(2)	（C++11 起）
void insert( iterator pos, size_type count, const T& value ); iterator insert( const_iterator pos, size_type count, const T& value );	(3)	（至 C++11） （C++11 起）
template< class InputIt > void insert( iterator pos, InputIt first, InputIt last); template< class InputIt > iterator insert( const_iterator pos, InputIt first, InputIt last );	(4)	（至 C++11） （C++11 起）
iterator insert( const_iterator pos, std::initializer_list<T> ilist );	(5)	（C++11 起）

在容器中的指定位置插入元素.

Original:

Inserts elements to specified position in the container.

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1-2)

插入value所指向的元素之前pos

Original:

inserts value before the element pointed to by pos

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3)

的count的元素之前插入value副本指出pos

Original:

inserts count copies of the value before the element pointed to by pos

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4)

范围[first, last)的元素之前插入元素指出pos

Original:

inserts elements from range [first, last) before the element pointed to by pos

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5)

从初始化列表中插入元素ilist.

Original:

inserts elements from initializer list ilist.

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Causes reallocation if the new size() is greater than the old capacity().If the new size() is greater than capacity(), all iterators and references are invalidated. Otherwise, only the iterators and references after the added element are invalidated.

参数

pos	-	元素之前的内容将被插入 Original: element before which the content will be inserted The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
value	-	元素的值插入 Original: element value to insert The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
first, last	-	的范围内的元素插入，不能插入被称为容器的迭代器 Original: the range of elements to insert, can't be iterators into container for which insert is called The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ilist	-	初始化列表中插入的值 Original: initializer list to insert the values from The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Type requirements
- InputIt must meet the requirements of InputIterator.

返回值

1-2)

迭代器，指向插入的value

Original:

iterator pointing to the inserted value

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3)

迭代器，指向第一个元素的插入，或pos如果count==0.

Original:

iterator pointing to the first element inserted, or pos if count==0.

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4)

迭代器，指向第一个元素的插入，或pos如果first==last.

Original:

iterator pointing to the first element inserted, or pos if first==last.

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5)

迭代器，指向第一个元素的插入，或pos如果ilist是空的.

Original:

iterator pointing to the first element inserted, or pos if ilist is empty.

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复杂性

1-2) Constant plus linear in the distance between pos and end of the container.

3) Linear in count plus linear in the distance between pos and end of the container.

4) Linear in std::distance(first, last) plus linear in the distance between pos and end of the container.

5) Linear in ilist.size() plus linear in the distance between pos and end of the container.

另请参阅

emplace （C++11）	constructs element in-place （公共成员函数）
push_back	将元素添加到年底 Original: adds elements to the end The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （公共成员函数）