checkValidInputRange function

void checkValidInputRange(
  1. List<num> arr
)

Implementation

void checkValidInputRange(List<num> arr) {
  assert(arr.length >= 2, 'inputRange must have at least 2 elements');
  for (var i = 1; i < arr.length; ++i) {
    assert(
      arr[i] >= arr[i - 1],
      'inputRange must be monotonically non-decreasing $arr',
    );
  }
}