range static method

void range(
  1. int i,
  2. int min,
  3. int max, [
  4. String desc = "index",
])

Implementation

static void range(int i, int min, int max, [String desc = "index"]) {
  if (i < min || i > max) {
    throw IndexException(
      "Index Error: $desc ($i) out of range ($min to $max)",
    );
  }
}