rsdiff_core/id/kinds/
atomic.rs

1/*
2    Appellation: atomic <mod>
3    Contrib: FL03 <jo3mccain@icloud.com>
4*/
5use core::borrow::{Borrow, BorrowMut};
6use core::ops::{Deref, DerefMut};
7use core::sync::atomic::{AtomicUsize, Ordering::Relaxed};
8
9///
10#[derive(Clone, Copy, Eq, Hash, Ord, PartialEq, PartialOrd)]
11#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
12#[repr(C)]
13pub struct AtomicId(usize);
14
15impl AtomicId {
16    pub fn new() -> Self {
17        static COUNTER: AtomicUsize = AtomicUsize::new(1);
18        Self(COUNTER.fetch_add(1, Relaxed))
19    }
20
21    pub fn next(&self) -> Self {
22        Self::new()
23    }
24
25    pub fn set(&mut self, id: usize) {
26        self.0 = id;
27    }
28
29    pub const fn get(&self) -> usize {
30        self.0
31    }
32
33    pub fn into_inner(self) -> usize {
34        self.0
35    }
36}
37
38impl AsRef<usize> for AtomicId {
39    fn as_ref(&self) -> &usize {
40        &self.0
41    }
42}
43
44impl AsMut<usize> for AtomicId {
45    fn as_mut(&mut self) -> &mut usize {
46        &mut self.0
47    }
48}
49
50impl Borrow<usize> for AtomicId {
51    fn borrow(&self) -> &usize {
52        &self.0
53    }
54}
55
56impl BorrowMut<usize> for AtomicId {
57    fn borrow_mut(&mut self) -> &mut usize {
58        &mut self.0
59    }
60}
61
62impl Default for AtomicId {
63    fn default() -> Self {
64        Self::new()
65    }
66}
67
68impl Deref for AtomicId {
69    type Target = usize;
70
71    fn deref(&self) -> &Self::Target {
72        &self.0
73    }
74}
75
76impl DerefMut for AtomicId {
77    fn deref_mut(&mut self) -> &mut Self::Target {
78        &mut self.0
79    }
80}
81
82impl From<usize> for AtomicId {
83    fn from(id: usize) -> Self {
84        Self(id)
85    }
86}
87
88impl From<AtomicId> for usize {
89    fn from(id: AtomicId) -> Self {
90        id.0
91    }
92}
93
94macro_rules! fmt_atomic {
95    ($($trait:ident($($fmt:tt)*)),*) => {
96        $(
97            fmt_atomic!(@impl $trait($($fmt)*));
98        )*
99    };
100    (@impl $trait:ident($($fmt:tt)*)) => {
101        impl core::fmt::$trait for AtomicId {
102            fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
103                write!(f, $($fmt)*, self.0)
104            }
105        }
106    };
107}
108
109fmt_atomic! {
110    Binary("{:b}"),
111    Debug("{:?}"),
112    Display("{}"),
113    LowerExp("{:e}"),
114    LowerHex("{:x}"),
115    Octal("{:o}"),
116    UpperExp("{:E}"),
117    UpperHex("{:X}")
118}
119
120impl<S> PartialEq<S> for AtomicId
121where
122    usize: PartialEq<S>,
123{
124    fn eq(&self, other: &S) -> bool {
125        self.0.eq(other)
126    }
127}
rsdiff_core/id/kinds/atomic.rs

rsdiff_core/id/kinds/
atomic.rs
