@rand_int(int)
returns a random integer between 0 and its argument (excluded). This is not a pure function because two calls with the same argument are likely to return different results.
See also Random Related Functions @rand, @rand_int, @random, @rnd_bernoulli, @rnd_binomial, @rnd_exponential, @rnd_gamma, @rnd_geometric, @rnd_normal, @rnd_uniform_float, @rnd_uniform_int