use crate::ClockSeed;
use core::cell::RefCell;
use std::rc::Rc;
use tinyrand::{Rand, Seeded, StdRand};
thread_local! {
static THREAD_LOCAL_RAND: Rc<RefCell<StdRand>> = Rc::new(RefCell::new(StdRand::seed(ClockSeed::default().next_u64())));
}
#[allow(clippy::module_name_repetitions)]
pub struct ThreadLocalRand(Rc<RefCell<StdRand>>);
impl Rand for ThreadLocalRand {
#[inline(always)]
fn next_u16(&mut self) -> u16 {
self.0.borrow_mut().next_u16()
}
#[inline(always)]
fn next_u32(&mut self) -> u32 {
self.0.borrow_mut().next_u32()
}
#[inline(always)]
fn next_u64(&mut self) -> u64 {
self.0.borrow_mut().next_u64()
}
#[inline(always)]
fn next_u128(&mut self) -> u128 {
self.0.borrow_mut().next_u128()
}
}
pub fn thread_rand() -> ThreadLocalRand {
let cell = THREAD_LOCAL_RAND.with(std::clone::Clone::clone);
ThreadLocalRand(cell)
}
#[cfg(test)]
mod tests;