Function RandomUInt

test/fuzzers/random_generator.cpp:32–35

/// @returns i, where lower <= i < upper
template <typename I>
I RandomUInt(std::mt19937_64* engine, I lower, I upper) {
  assert(lower < upper && "|lower| must be stictly less than |upper|");
  return std::uniform_int_distribution<I>(lower, upper - 1)(*engine);
}

/// Helper for obtaining a seed bias value for HashCombine with a bit-width
/// dependent on the size of size_t.