Return an iterator providing modifiable access to the value_type object in this unordered map with a key equivalent to the specified key, if such an entry exists, and the past‐the‐end iterator (end) otherwise.
Return an iterator providing modifiable access to the value_type object in this unordered map with a key equivalent to the specified key, if such an entry exists, and the past‐the‐end iterator (end) otherwise.