safe_bytes/
pod.rs

1use {
2    crate::PaddingBane,
3    core::{
4        marker::{PhantomData, PhantomPinned},
5        mem::MaybeUninit,
6        num::{
7            NonZeroI128, NonZeroI16, NonZeroI32, NonZeroI64, NonZeroI8, NonZeroIsize, NonZeroU128,
8            NonZeroU16, NonZeroU32, NonZeroU64, NonZeroU8, NonZeroUsize,
9        },
10        ptr::NonNull,
11        sync::atomic::{
12            AtomicI16, AtomicI32, AtomicI64, AtomicI8, AtomicIsize, AtomicU16, AtomicU32,
13            AtomicU64, AtomicU8, AtomicUsize,
14        },
15    },
16};
17
18macro_rules! impl_pod {
19    ($(<$($g:ident $(:$b:path)?),+>)? for $t:ty) => {
20        unsafe impl $(<$($g $(:$b)?),+>)? PaddingBane for $t {
21            type Fields = PhantomData<fn($t) -> $t>;
22
23            #[inline(always)]
24            fn get_fields(&self) -> Self::Fields {
25                PhantomData
26            }
27
28            #[inline(always)]
29            unsafe fn init_padding(_fields: Self::Fields, _bytes: &mut [MaybeUninit<u8>]) {}
30        }
31    };
32}
33
34impl_pod!(for ());
35impl_pod!(for bool);
36impl_pod!(for u8);
37impl_pod!(for i8);
38impl_pod!(for u16);
39impl_pod!(for i16);
40impl_pod!(for u32);
41impl_pod!(for i32);
42impl_pod!(for u64);
43impl_pod!(for i64);
44impl_pod!(for usize);
45impl_pod!(for isize);
46impl_pod!(for u128);
47impl_pod!(for i128);
48impl_pod!(for f32);
49impl_pod!(for f64);
50
51impl_pod!(for AtomicU8);
52impl_pod!(for AtomicI8);
53impl_pod!(for AtomicU16);
54impl_pod!(for AtomicI16);
55impl_pod!(for AtomicU32);
56impl_pod!(for AtomicI32);
57impl_pod!(for AtomicU64);
58impl_pod!(for AtomicI64);
59impl_pod!(for AtomicUsize);
60impl_pod!(for AtomicIsize);
61
62impl_pod!(for Option<NonZeroI8>);
63impl_pod!(for Option<NonZeroI16>);
64impl_pod!(for Option<NonZeroI32>);
65impl_pod!(for Option<NonZeroI64>);
66impl_pod!(for Option<NonZeroI128>);
67impl_pod!(for Option<NonZeroIsize>);
68impl_pod!(for Option<NonZeroU8>);
69impl_pod!(for Option<NonZeroU16>);
70impl_pod!(for Option<NonZeroU32>);
71impl_pod!(for Option<NonZeroU64>);
72impl_pod!(for Option<NonZeroU128>);
73impl_pod!(for Option<NonZeroUsize>);
74
75impl_pod!(<T> for *mut T);
76impl_pod!(<T> for *const T);
77impl_pod!(<T> for Option<NonNull<T>>);
78impl_pod!(<T> for PhantomData<T>);
79impl_pod!(for PhantomPinned);
80impl_pod!(<T> for [T; 0]);
safe_bytes/pod.rs

safe_bytes/
pod.rs
