pulsar_utils/
mutcell.rs

1// Copyright (C) 2024 Ethan Uppal. All rights reserved.
2use std::{
3    fmt::{Debug, Display},
4    hash::{Hash, Hasher},
5    sync::{Arc, RwLock, RwLockReadGuard, RwLockWriteGuard}
6};
7
8/// A mutable shared pointer.
9pub struct MutCell<T> {
10    pointer: Arc<RwLock<T>>
11}
12
13impl<T> MutCell<T> {
14    pub fn new(value: T) -> Self {
15        MutCell {
16            pointer: Arc::new(RwLock::new(value))
17        }
18    }
19
20    pub fn as_ref(&self) -> RwLockReadGuard<T> {
21        self.pointer.read().unwrap()
22    }
23
24    pub fn as_mut(&self) -> RwLockWriteGuard<T> {
25        self.pointer.write().unwrap()
26    }
27
28    pub fn raw(&self) -> Arc<RwLock<T>> {
29        self.pointer.clone()
30    }
31}
32
33impl<T> Clone for MutCell<T> {
34    fn clone(&self) -> Self {
35        Self {
36            pointer: self.pointer.clone()
37        }
38    }
39}
40
41impl<T: Clone> MutCell<T> {
42    pub fn clone_out(&self) -> T {
43        self.as_ref().clone()
44    }
45}
46
47impl<T: PartialEq> PartialEq for MutCell<T> {
48    fn eq(&self, other: &Self) -> bool {
49        *self.as_ref() == *other.as_ref()
50    }
51}
52
53impl<T: Eq> Eq for MutCell<T> {}
54
55impl<T: Hash> Hash for MutCell<T> {
56    fn hash<H: Hasher>(&self, state: &mut H) {
57        self.as_ref().hash(state)
58    }
59}
60
61impl<T: Display> Display for MutCell<T> {
62    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
63        self.as_ref().fmt(f)
64    }
65}
66
67impl<T: Debug> Debug for MutCell<T> {
68    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
69        self.as_ref().fmt(f)
70    }
71}
pulsar_utils/mutcell.rs

pulsar_utils/
mutcell.rs
