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pub mod sixty_four {
use crate::XxHash64;
use core::hash::BuildHasher;
use rand::{self, Rng};
#[derive(Clone)]
/// Constructs a randomized seed and reuses it for multiple hasher instances.
pub struct RandomXxHashBuilder64(u64);
impl RandomXxHashBuilder64 {
fn new() -> RandomXxHashBuilder64 {
RandomXxHashBuilder64(rand::thread_rng().gen())
}
}
impl Default for RandomXxHashBuilder64 {
fn default() -> RandomXxHashBuilder64 {
RandomXxHashBuilder64::new()
}
}
impl BuildHasher for RandomXxHashBuilder64 {
type Hasher = XxHash64;
fn build_hasher(&self) -> XxHash64 {
XxHash64::with_seed(self.0)
}
}
}
pub mod thirty_two {
use crate::XxHash32;
use core::hash::BuildHasher;
use rand::{self, Rng};
#[derive(Clone)]
/// Constructs a randomized seed and reuses it for multiple hasher instances. See the usage warning on `XxHash32`.
pub struct RandomXxHashBuilder32(u32);
impl RandomXxHashBuilder32 {
fn new() -> RandomXxHashBuilder32 {
RandomXxHashBuilder32(rand::thread_rng().gen())
}
}
impl Default for RandomXxHashBuilder32 {
fn default() -> RandomXxHashBuilder32 {
RandomXxHashBuilder32::new()
}
}
impl BuildHasher for RandomXxHashBuilder32 {
type Hasher = XxHash32;
fn build_hasher(&self) -> XxHash32 {
XxHash32::with_seed(self.0)
}
}
}
pub mod xxh3 {
use crate::xxh3::{Hash128, Hash64};
use core::hash::BuildHasher;
use rand::{self, Rng};
#[derive(Clone)]
/// Constructs a randomized seed and reuses it for multiple hasher instances.
pub struct RandomHashBuilder64(u64);
impl RandomHashBuilder64 {
fn new() -> RandomHashBuilder64 {
RandomHashBuilder64(rand::thread_rng().gen())
}
}
impl Default for RandomHashBuilder64 {
fn default() -> RandomHashBuilder64 {
RandomHashBuilder64::new()
}
}
impl BuildHasher for RandomHashBuilder64 {
type Hasher = Hash64;
fn build_hasher(&self) -> Hash64 {
Hash64::with_seed(self.0)
}
}
#[derive(Clone)]
/// Constructs a randomized seed and reuses it for multiple hasher instances.
pub struct RandomHashBuilder128(u64);
impl RandomHashBuilder128 {
fn new() -> RandomHashBuilder128 {
RandomHashBuilder128(rand::thread_rng().gen())
}
}
impl Default for RandomHashBuilder128 {
fn default() -> RandomHashBuilder128 {
RandomHashBuilder128::new()
}
}
impl BuildHasher for RandomHashBuilder128 {
type Hasher = Hash128;
fn build_hasher(&self) -> Hash128 {
Hash128::with_seed(self.0)
}
}
}
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