interacsion

use std::cell::UnsafeCell;
use std::mem::ManuallyDrop;
use std::panic::{AssertUnwindSafe, catch_unwind, resume_unwind};
use std::sync::atomic::{AtomicU8, Ordering};

const INITIALIZED_BIT: u8 = 0b01;
const LOCKED_BIT: u8 = 0b10;

union Data<T, F> {
    value: ManuallyDrop<T>,