code: func bytesToUint32be(b []byte) uint32 {
  	return uint32(b[3]) | (uint32(b[2]) << 8) | (uint32(b[1]) << 16) | (uint32(b[0]) << 24)
  }
docs: // bytesToUint32 takes a slice of 4 bytes representing a big endian 32 bit
  // unsigned value and returns the equivalent uint32.