In §23.2.7 Unordered associative containers [unord.req] of the C++ standard table 91 describes the additional requirements a STL unordered associative container must meet. In this table the standar...

I am searching for all pairs for a particular key in a multimap using the code below. int main() { multimap<int,int> mp; mp.insert({1,2}); mp.insert({11,22}); mp.insert({12,42}); mp.inse...

I was wondering about uniqueness of a key object inside an std::unordered_multimap when dealing with iteration. I'll try to explain the point: I need to associate some data with the key type in th...