Complexity: O(log(s)), where s is the number of the keys with the same length as the input key.
StringMap!double map; map["c"] = 3.0; map["La"] = 4.0; map["a"] = 5.0; map["La"] += 10; assert(map["La"] == 14.0);
See Implementation
Complexity: O(log(s)), where s is the number of the keys with the same length as the input key.