Struct std::rand::reseeding::ReseedingRngExperimental
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pub struct ReseedingRng<R, Rsdr> { pub reseeder: Rsdr, // some fields omitted }
A wrapper around any RNG which reseeds the underlying RNG after it has generated a certain number of random bytes.
Fields
reseeder | Controls the behaviour when reseeding the RNG. |
Methods
impl<R: Rng, Rsdr: Reseeder<R>> ReseedingRng<R, Rsdr>
fn new(rng: R, generation_threshold: uint, reseeder: Rsdr) -> ReseedingRng<R, Rsdr>
Create a new ReseedingRng
with the given parameters.
Arguments
rng
: the random number generator to use.generation_threshold
: the number of bytes of entropy at which to reseed the RNG.reseeder
: the reseeding object to use.
fn reseed_if_necessary(&mut self)
Reseed the internal RNG if the number of bytes that have been generated exceed the threshold.
Trait Implementations
impl<R: Rng, Rsdr: Reseeder<R>> Rng for ReseedingRng<R, Rsdr>
fn next_u32(&mut self) -> u32
fn next_u64(&mut self) -> u64
fn fill_bytes(&mut self, dest: &mut [u8])
fn next_u64(&mut self) -> u64
fn next_f32(&mut self) -> f32
fn next_f64(&mut self) -> f64
fn fill_bytes(&mut self, &mut [u8])
fn gen<T: Rand>(&mut self) -> T
fn gen_iter<T: Rand>(&'a mut self) -> Generator<'a, T, ReseedingRng<R, Rsdr>>
fn gen_range<T: SampleRange + PartialOrd<T>>(&mut self, T, T) -> T
fn gen_weighted_bool(&mut self, uint) -> bool
fn gen_ascii_chars(&'a mut self) -> AsciiGenerator<'a, ReseedingRng<R, Rsdr>>
fn choose<T>(&mut self, &'a [T]) -> Option<&'a T>
fn shuffle<T>(&mut self, &mut [T])
impl<S, R: SeedableRng<S>, Rsdr: Reseeder<R> + Default> SeedableRng<(Rsdr, S)> for ReseedingRng<R, Rsdr>
fn reseed(&mut self, (Rsdr, S))
fn from_seed((Rsdr, S)) -> ReseedingRng<R, Rsdr>
Create a new ReseedingRng
from the given reseeder and
seed. This uses a default value for generation_threshold
.