std::multimap::count
From cppreference.com
size_type count( const Key& key ) const;
|
(1) | |
template< class K >
size_type count( const K& x ) const; |
(2) | (since C++14) |
1) Returns the number of elements with key
key
.
2) Returns the number of elements with key that compares equivalent to the value
x
. This overload only participates in overload resolution if the qualified-id Compare::is_transparent is valid and denotes a type. They allow calling this function without constructing an instance of Key
.
Contents |
[edit] Parameters
key | - | key value of the elements to count |
x | - | alternative value to compare to the keys |
[edit] Return value
Number of elements with key key
.
[edit] Complexity
Logarithmic in the size of the container plus linear in the number of the elements found.
[edit] See also
finds element with specific key (public member function) |
|
returns range of elements matching a specific key (public member function) |