ntex-amqp 5.8.0

AMQP 1.0 Client/Server framework
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

//! Custom cell impl
use std::{cell::UnsafeCell, ops::Deref, rc::Rc};

pub(crate) struct Cell<T> {
    inner: Rc<UnsafeCell<T>>,
}

impl<T> Clone for Cell<T> {
    fn clone(&self) -> Self {
        Self {
            inner: self.inner.clone(),
        }
    }
}

impl<T> Deref for Cell<T> {
    type Target = T;

    fn deref(&self) -> &Self::Target {
        self.get_ref()
    }
}

impl<T: std::fmt::Debug> std::fmt::Debug for Cell<T> {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        self.get_ref().fmt(f)
    }
}

impl<T> Cell<T> {
    pub(crate) fn new(inner: T) -> Self {
        Self {
            inner: Rc::new(UnsafeCell::new(inner)),
        }
    }

    pub(crate) fn get_ref(&self) -> &T {
        unsafe { &*self.inner.as_ref().get() }
    }

    #[allow(clippy::mut_from_ref)]
    pub(crate) fn get_mut(&self) -> &mut T {
        unsafe { &mut *self.inner.as_ref().get() }
    }
}