thingy

typeof(var) {
    if (var = "")
        return "Null"
    if (IsObject(var)) {
        if (ObjHasKey(var, "__class"))
            return "Class"
        for i in var
            if (i != A_Index)
                return "Object"
            return "Array"
    }         ; ahk types : [integer, float, number, digit, xdigit, alpha, upper, lower, alnum, space, time]
    if var is integer
        return InStr(var, "0x") = 1 ? "Hex" : "Integer"
        if var is float
            return "Float"
    return "String"
}