class Function {

    static Value funcSumOverTime(Evaluator ev, Expressions args) {
        return aggrOverTime(ev, args, values -> {
            float sum = 0f;
            for (Series.Point v : values) {
                sum += v.getV();
            }
            return sum;
        });
    }

    public  Function(String name, ValueType[] argTypes, ValueType returnType, FuncCallFn call);

}