/**
* A very fast reduce by. If performance is your thing, this seems to be as fast a plain for loop
* when benchmarking with JMH.
*
* @param array array of items to reduce by
* @param reduceBy reduceBy interface
* @return the final value
*/
public static long reduceBy(final int[] array, ReduceBy reduceBy) {
long sum = 0;
for (int v : array) {
sum = reduceBy.reduce(sum, v);
}
return sum;
}
/**
* @param array array of items to reduce by
* @param length where to end in the array
* @param reduceBy the function to do the reduce by
* @return the reduction
*/
public static long reduceBy(final int[] array, final int length, ReduceBy reduceBy) {
long sum = 0;
for (int index = 0; index < length; index++) {
int v = array[index];
sum = reduceBy.reduce(sum, v);
}
return sum;
}