std::array::size

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C++ Standard Library
Language Utilities library Strings library Containers library Algorithms library Iterators library Numerics library Input/output library Localizations library Regular expressions library (C++11) Atomic operations library (C++11) Thread support library (C++11)
Containers library
array (C++11) vector deque forward_list (C++11) list set multiset map multimap unordered_set (C++11) unordered_multiset (C++11) unordered_map (C++11) unordered_multimap (C++11) stack queue priority_queue
std::array
Member functions Element access array::at array::operator[] array::front array::back array::data Iterators array::begin array::cbegin array::end array::cend array::rbegin array::crbegin array::rend array::crend Capacity array::empty array::size array::max_size Modifiers array::fill array::swap Non-member functions get swap Helper classes tuple_size tuple_element

constexpr size_type size()		(since C++11)

Returns the number of elements in the container, i.e. std::distance(begin(), end()).

Contents 1 Parameters 2 Return value 3 Exceptions 4 Complexity 5 See also

[edit] Parameters

(none)

[edit] Return value

the number of elements in the container

[edit] Exceptions

[edit] Complexity

Constant

[edit] See also

empty	checks whether the container is empty (public member function)
max_size	returns the maximum possible number of elements (public member function)