std::unordered_set::hash_function hasher hash_function() const; Get hash function Returns the hash function object used by theunordered_setcontainer. The hash function is a unary function that takes an object of typekey_typeas argument and returns a unique value of typesize_tbased on it. ...
//CPP program to illustrate the//unordered_set::hash() function#include<iostream>#include<string>#include<unordered_set>usingnamespacestd;intmain() { unordered_set<string>sampleSet;//use of hash_functionunordered_set<string>::hasher fn =sampleSet.hash_function(); cout<< fn("geeksforgeeks")...
reserve() 将存储桶的数量(也就是 bucket_count() 方法的返回值)设置为至少容纳count个元(不超过最大负载因子)所需的数量,并重新整理容器。 hash_function() 返回当前容器使用的哈希函数对象。 遍历: 方法1:使用auto遍历 unordered_map<int,int> map;for(autov : map) {cout << v.first << v.second()...
Hash hash_function() const; RemarksThe member function returns the stored hash function object.Example复制 // std_tr1__unordered_set__unordered_multiset_hash_function.cpp // compile with: /EHsc #include <unordered_set> #include <iostream> typedef std::unordered_multiset<char> Myset; int main...
<unordered_set> operators unordered_set class unordered_multiset class <utility> <valarray> <variant> <vector> C++ Standard Library overview C++ Standard Library containers Iterators Algorithms Allocators Function objects in the C++ Standard Library ...
hasher hash_function() const; 返回值存储的哈希函数对象。要求标题: concurrent_unordered_set.h命名空间: 并发请参见参考concurrent_unordered_set 类中文(简体) 你的隐私选择 主题 管理Cookie 早期版本 博客 参与 隐私 使用条款 商标 © Microsoft 2025...
unordered_set::get_allocator unordered_set::hash_function unordered_set::hasher unordered_set::insert unordered_set::iterator unordered_set::key_eq unordered_set::key_equal unordered_set::key_type unordered_set::load_factor unordered_set::local_iterator unordered_set::max_bucket_count unordered_se...
concurrent_unordered_set::count Method concurrent_unordered_set::empty Method concurrent_unordered_set::end Method concurrent_unordered_set::equal_range Method concurrent_unordered_set::find Method concurrent_unordered_set::get_allocator Method concurrent_unordered_set::hash_function 方法 concurrent_unord...
std::unordered_set::hash_function std::unordered_set::hash_function hasher hash_function() const; (since C++11) 返回散列键的函数。 参数 %280%29 返回值 哈希函数。 复杂性 常量。 另见 key_eq returns the function used to compare keys for equality (public member function) 代码语言:txt...
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 Non-member functions operator==operator!= (C++11)(C++11)(until C++20) std::swap(std::unordered_set) (C++11) erase...