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Return a copy of the value associated with the specified key in a given jss::concurrent_map object.

DataType at(KeyType const& key);


A copy of the value associated with key in *this at the point of the call.


std::out_of_range if the specified key is not present in *this. Any exceptions thrown by the copy constructor or move constructor of DataType. Any exception thrown by the application of the Hasher or KeyEquals objects.


at() may be called concurrently with any other member function of jss::concurrent_map on a given instance (except for the constructor and destructor) without external synchronization.


#include <jss/concurrent_map.hpp>

See Also