/// println!("{}", rng.gen_weighted_bool(3));
/// ```
fn gen_weighted_bool(&mut self, n: uint) -> bool {
- n == 0 || self.gen_range(0, n) == 0
+ n <= 1 || self.gen_range(0, n) == 0
}
/// Return an iterator of random characters from the set A-Z,a-z,0-9.