std::unordered_set::clear

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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::unordered_set
Member functions unordered_set::unordered_set unordered_set::~unordered_set unordered_set::operator= unordered_set::get_allocator Iterators unordered_set::begin unordered_set::cbegin unordered_set::end unordered_set::cend Capacity unordered_set::erase unordered_set::size unordered_set::max_size Modifiers unordered_set::clear unordered_set::insert unordered_set::emplace unordered_set::emplace_hint unordered_set::erase unordered_set::swap Lookup unordered_set::count unordered_set::find unordered_set::equal_range Bucket interface unordered_set::begin(int) unordered_set::end(int) unordered_set::bucket_count unordered_set::max_bucket_count unordered_set::bucket_size unordered_set::bucket Hash policy unordered_set::load_factor unordered_set::max_load_factor unordered_set::rehash unordered_set::reserve Observers unordered_set::hash_function unordered_set::key_eq

void clear();		(C++11 feature)

Removes all elements from the container. The past-the-end iterators are not invalidated.

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

[edit] Parameters

(none)

[edit] Return value

(none)

[edit] Exceptions

1-3)

[edit] Complexity

linear in the size of the container.

[edit] See also

erase	erases elements (public member function)