std::vector::capacity

 

C++

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Containers library

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std::vector

Member functions

vector::vector

vector::~vector

vector::operator=

vector::assign

vector::get_allocator

Element access

vector::at

vector::operator[]

vector::front

vector::back

vector::data

Iterators

vector::begin vector::cbegin (C++11)

vector::end vector::cend (C++11)

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

vector::rend vector::crend (C++11)

Capacity

vector::empty

vector::size

vector::max_size

vector::reserve

vector::capacity

vector::shrink_to_fit (C++11)

Modifiers

vector::clear

vector::insert

vector::emplace (C++11)

vector::erase

vector::push_back

vector::emplace_back (C++11)

vector::pop_back

vector::resize

vector::swap

 

size_type capacity() const;

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

Parameters

(none)

Return value

capacity of the currently allocated storage

Exceptions

1-3)

noexcept specification:  

noexcept

  (since C++11)

Complexity

Constant

See also

size	returns the number of elements (public member function)
reserve	reserves storage (public member function)