Примеры ошибок, обнаруженных с помощью диагностики V8015

V8015. Suspicious use of the bitwise XOR operator '^'. The exponentiation operation may have been intended here.

calico

V8015 Suspicious use of the bitwise XOR operator '^'. The exponentiation operation may have been intended here. flattener.go 187

func parsePorts(portsStr string) *bitset.BitSet {
  setOfPorts := bitset.New(2 ^ 16 + 1)                // <=
  for _, p := range strings.Split(portsStr, ",") {
    if strings.Contains(p, "-") {
      // Range
      parts := strings.Split(p, "-")
      low, err := strconv.Atoi(parts[0])
      if err != nil {
        panic(err)
      }
      high, err := strconv.Atoi(parts[1])
      if err != nil {
        panic(err)
      }
      for port := low; port <= high; port++ {
        setOfPorts.Set(uint(port))
      }
    } else {
      // Single value
      port, err := strconv.Atoi(p)
      if err != nil {
        panic(err)
      }
      setOfPorts.Set(uint(port))
    }
  }
  return setOfPorts
}

lancet

V8015 Suspicious use of the bitwise XOR operator '^'. The exponentiation operation may have been intended here. arrayqueue.go 87

func (q *ArrayQueue[T]) Enqueue(item T) bool {
  if q.tail < q.capacity {
    q.data = append(q.data, item)
    // q.tail++
    q.data[q.tail] = item
  } else {
    //upgrade
    if q.head > 0 {

      ....
    } else {
      if q.capacity < 65536 {
        if q.capacity == 0 {
          q.capacity = 1
        }
        q.capacity *= 2
      } else {
        q.capacity += 2 ^ 16            // <=
      }

      tmp := make([]T, q.capacity, q.capacity)
      copy(tmp, q.data)
      q.data = tmp
    }

    q.data[q.tail] = item
  }

  q.tail++
  q.size++

  return true
}