Function FromSystemRandom

cpp/src/arrow/compute/api_scalar.h:568–568

  enum Initializer { SystemRandom, Seed };

  static RandomOptions FromSystemRandom() { return RandomOptions{SystemRandom, 0}; }
  static RandomOptions FromSeed(uint64_t seed) { return RandomOptions{Seed, seed}; }

  RandomOptions(Initializer initializer, uint64_t seed);