C++ associative array with arbitrary types for values
- by Gerald Kaszuba
What is the best way to have an associative array with arbitrary value types for each key in C++?
Currently my plan is to create a "value" class with member variables of the types I will be expecting. For example:
class Value {
int iValue;
Value(int v) { iValue = v; }
std::string sValue;
Value(std::string v) { sValue = v; }
SomeClass *cValue;
Value(SomeClass *v) { cValue = c; }
};
std::map<std::string, Value> table;
A downside with this is you have to know the type when accessing the "Value". i.e.:
table["something"] = Value(5);
SomeClass *s = table["something"].cValue; // broken pointer
Also the more types that are put in Value, the more bloated the array will be.
Any better suggestions?
