Method below

core/tests/test_persisted_schema_roundtrip.rs:73–79

(&mut self, n: u64)

        x.wrapping_mul(0x2545_F491_4F6C_DD1D)
    }
    fn below(&mut self, n: u64) -> u64 {
        if n == 0 {
            0
        } else {
            self.next() % n
        }
    }
    fn boolean(&mut self) -> bool {
        self.next() & 1 == 1
    }