import vector;
import mem;

typedef String (Destructable) {
    |vector<char>| charVec;

    |String*| construct() {
       charVec.construct(); 
       return this;
    }

    |void| destruct() {
        charVec.destruct();
    }

    |String*| construct(|char*| stringInput) {
       charVec.construct(); 
       append(stringInput);
       return this;
    }

    |char| operator[](|int| index) {
        return charVec[index];
    } 

    |void| append(|String| toAppend) {
        for (|int| i = 0; i < toAppend.size(); i++;)
            charVec.addEnd(toAppend[i]);
    }

    |void| append(|char*| toAppend) {
        while(toAppend)
            charVec.addEnd(toAppend++);
    }

    |String| operator+(|String| other) {
        |String| self = clone();
        self.append(other);
        return self;
    }

    |char*| c_str() {
        |char*| toReturn = new<char>(charVec.size()+1);
        for (|int| i = 0; i < charVec.size(); i++;)
            toReturn[i] = charVec[i];
        toReturn[charVec.size()] = 0;
        return toReturn;
    }
};