Struct rand_seeder::Seeder

pub struct Seeder { /* fields omitted */ }

A universal seeder.

Seeder can be used to seed any SeedableRng from any hashable value. It is portable and reproducible, and should turn any input into a good RNG seed. It is intended for use in simulations and games where reproducibility is important.

We do not recommend using Seeder for cryptographic applications and strongly advise against usage for authentication (password hashing).

Example:

use rand_core::RngCore;
use rand_seeder::{Seeder, SipRng};
 
// Use any SeedableRng you like in place of SipRng:
let mut rng: SipRng = Seeder::from("stripy zebra").make_rng();
println!("First value: {}", rng.next_u32());

Implementations

impl Seeder

pub fn make_rng<R: SeedableRng>(&mut self) -> R

Construct and seed a generator of any type R: SeedableRng.

This function seeds a new RNG using an internal SipRng generator. Because of this, multiple independent RNGs may safely be constructed from a single Seeder.

Alternatively, one can obtain a SipRng via SipHasher::from(h).into_rng().

pub fn make_seed<S: AsMut<[u8]> + Default>(&mut self) -> S

Make a seed

This mutates the state internally, thus can be called multiple times to generate multiple independent seeds.

Trait Implementations

impl Clone for Seeder

fn clone(&self) -> Seeder

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Seeder

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<H: Hash> From<H> for Seeder

fn from(h: H) -> Seeder

Performs the conversion.