Add Random::fast_bool.

GitOrigin-RevId: 1f7ec3d4a04dcadbdffde18994e7a29f3d22aedc

tdutils/td/utils/Random.cpp

@@ -148,6 +148,10 @@ double Random::fast(double min, double max) {
   return min + fast_uint32() * 1.0 / std::numeric_limits<uint32>::max() * (max - min);
 }
 
+bool Random::fast_bool() {
+  return (fast_uint32() & 1) != 0;
+}
+
 Random::Xorshift128plus::Xorshift128plus(uint64 seed) {
   auto next = [&] {
     // splitmix64

tdutils/td/utils/Random.h

@@ -35,6 +35,7 @@ class Random {
   // distribution is not uniform, min and max are included
   static int fast(int min, int max);
   static double fast(double min, double max);
+  static bool fast_bool();
 
   class Fast {
    public: