Basically any random source is an infinitiely detailed waveform, in the same way as sine etc, so doesn't contain events. I go into more detail in this video: Week 4 lesson 1 - continuous patterns - sine, square, tri, saw and random functions
You'll need to go through the pay-as-you-feel wall to see it though - (Paying 0 is all good if you don't have any money to hand!)
https://blog.tidalcycles.org/shop/