modular_bitfield/private/
impls.rs

1use crate::{
2    error::{
3        InvalidBitPattern,
4        OutOfBounds,
5    },
6    Specifier,
7};
8
9impl Specifier for bool {
10    const BITS: usize = 1;
11    type Bytes = u8;
12    type InOut = bool;
13
14    #[inline]
15    fn into_bytes(input: Self::InOut) -> Result<Self::Bytes, OutOfBounds> {
16        Ok(input as u8)
17    }
18
19    #[inline]
20    fn from_bytes(
21        bytes: Self::Bytes,
22    ) -> Result<Self::InOut, InvalidBitPattern<Self::Bytes>> {
23        match bytes {
24            0 => Ok(false),
25            1 => Ok(true),
26            invalid_bytes => Err(InvalidBitPattern { invalid_bytes }),
27        }
28    }
29}
30
31macro_rules! impl_specifier_for_primitive {
32    ( $( ($prim:ty: $bits:literal) ),* $(,)? ) => {
33        $(
34            impl Specifier for $prim {
35                const BITS: usize = $bits;
36                type Bytes = $prim;
37                type InOut = $prim;
38
39                #[inline]
40                fn into_bytes(input: Self::InOut) -> Result<Self::Bytes, OutOfBounds> {
41                    Ok(input)
42                }
43
44                #[inline]
45                fn from_bytes(bytes: Self::Bytes) -> Result<Self::InOut, InvalidBitPattern<Self::Bytes>> {
46                    Ok(bytes)
47                }
48            }
49        )*
50    };
51}
52impl_specifier_for_primitive!(
53    (u8: 8),
54    (u16: 16),
55    (u32: 32),
56    (u64: 64),
57    (u128: 128),
58);
modular_bitfield/private/impls.rs

modular_bitfield/private/
impls.rs
