std::unordered_map::count

From Cppreference

Jump to: navigation, search
size_type count( const Key& key ) const;

Returns the number of elements with key key.

Contents

[edit] Parameters

key - key value of the elements to count

[edit] Return value

number of elements with key key

[edit] Complexity

[edit] See also

find
finds element with specific key
(public member function)
equal_range
returns range of elements matching a specific key
(public member function)