avgOfDouble method

double avgOfDouble(
  1. GetValue<E, double> getVal
)

Returns the average value of double values by elements.

getVal should return value for calculate average. It can be property of element, or any another value by element.

If no elements, return 0.

Implementation

double avgOfDouble(GetValue<E, double> getVal) {
  final count = length;
  return count > 0 ? sumOfDouble(getVal) / count : 0;
}