increase method

@override void increase({ required int index, required T value, })

Increases the value at index by value.

Implementation

@override
void increase({
  required final int index,
  required final T value,
}) {
  int i = index;
  assert(i > -1, "");
  i++;
  while (i < array.length) {
    array[i] = algebra.operate(
      array[i],
      value,
    );
    i += i & -i;
  }
}