std::vector::capacity - cppreference.com

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# std::vector::capacity

From cppreference.com
< cpp‎ | container‎ | vector

[edit template]

size_type capacity() const; |  |

Returns the number of elements that the container has currently allocated space for.

### [edit] Parameters

(none)

### [edit] Return value

Capacity of the currently allocated storage.

### [edit] Exceptions

(none) | (until C++11)
`noexcept` specification: noexcept | (since C++11)

### [edit] Complexity

Constant.

### [edit] See also

size | returns the number of elements (public member function) [edit]
reserve | reserves storage (public member function) [edit]

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Category:

- unconditionally noexcept