std::vector::reserve

 

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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.

vector::at

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

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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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vector::reserve

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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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void reserve( size_type size );

设置容量至少size容器。如果需要分配新的存储.

Original:

Sets the capacity of the container to at least size. New storage is allocated if necessary.

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参数

size

-

新产能的容器 Original: new capacity of the container The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

返回值

（无）

Original:

(none)

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例外

std::length_error if size > max_size().

复杂性

线性大小的容器

Original:

linear in the size of the container

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另请参阅

capacity	返回的元素的数目，可以保持在当前分配的存储空间 Original: returns the number of elements that can be held in currently allocated storage 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）