IterableCalc<T> extension Null safety

Mathematical/statistical extension methods for Iterable types.

on

Methods

fractionalIndex(double fraction) → T
Returns value closest to the fractional index (between 0.0 and 1.0). [...]
fractionalRange(double from, double to) Iterable<T>
Returns values in the fractional index range (between 0.0 and 1.0). [...]