std::vector::capacity

From cppreference.com

size_type capacity() const;

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

Contents

[edit] Parameters

(none)

[edit] Return value

capacity of the currently allocated storage

[edit] Exceptions

noexcept specification:  
noexcept
  (since C++11)

[edit] Complexity

Constant

[edit] See also

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