update method
Sets the value at index
to be value
.
Implementation
@override
void update({
required final int index,
required final T value,
}) {
final current_sum = range_sum(
index_from: index,
index_to: index + 1,
);
final updated_value = algebra.inverse(
value,
current_sum,
);
increase(
index: index,
value: updated_value,
);
}