std::multiset::empty

C++ Reference
Language Concepts 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::multiset
Member functions multiset::multiset multiset::~multiset multiset::operator= multiset::get_allocator Iterators multiset::begin multiset::cbegin (C++11) multiset::end multiset::cend (C++11) multiset::rbegin multiset::crbegin (C++11) multiset::rend multiset::crend (C++11) Capacity multiset::empty multiset::size multiset::max_size Modifiers multiset::clear multiset::insert multiset::emplace (C++11) multiset::emplace_hint (C++11) multiset::erase multiset::swap Lookup multiset::count multiset::find multiset::equal_range multiset::lower_bound multiset::upper_bound Observers multiset::key_comp multiset::value_comp

bool empty() const;

Checks if the container has no elements, i.e. whether begin() == end().

Parameters

(none)

Return value

true if the container is empty, false otherwise

Exceptions

noexcept specification:  

noexcept

  (since C++11)

Complexity

Constant

See also

size	returns the number of elements (public member function)