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Use const generics for arbitrary arrays #44

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Use const generics for arbitrary arrays #44

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75 changes: 19 additions & 56 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -397,65 +397,28 @@ tuple_abomonate!(A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD
tuple_abomonate!(A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF);


macro_rules! array_abomonate {
($size:expr) => (
impl<T: Abomonation> Abomonation for [T; $size] {
#[inline(always)]
unsafe fn entomb<W: Write>(&self, write: &mut W) -> IOResult<()> {
for element in self { element.entomb(write)?; }
Ok(())
}
#[inline(always)]
unsafe fn exhume<'a, 'b>(&'a mut self, mut bytes: &'b mut[u8]) -> Option<&'b mut [u8]> {
for element in self {
let tmp = bytes; bytes = element.exhume(tmp)?;
}
Some(bytes)
}
#[inline(always)] fn extent(&self) -> usize {
let mut size = 0;
for element in self {
size += element.extent();
}
size
}
impl<T: Abomonation, const N: usize> Abomonation for [T; N] {
#[inline(always)]
unsafe fn entomb<W: Write>(&self, write: &mut W) -> IOResult<()> {
for element in self { element.entomb(write)?; }
Ok(())
}
#[inline(always)]
unsafe fn exhume<'a, 'b>(&'a mut self, mut bytes: &'b mut[u8]) -> Option<&'b mut [u8]> {
for element in self {
let tmp = bytes; bytes = element.exhume(tmp)?;
}
)
Some(bytes)
}
#[inline(always)] fn extent(&self) -> usize {
let mut size = 0;
for element in self {
size += element.extent();
}
size
}
}

array_abomonate!(0);
array_abomonate!(1);
array_abomonate!(2);
array_abomonate!(3);
array_abomonate!(4);
array_abomonate!(5);
array_abomonate!(6);
array_abomonate!(7);
array_abomonate!(8);
array_abomonate!(9);
array_abomonate!(10);
array_abomonate!(11);
array_abomonate!(12);
array_abomonate!(13);
array_abomonate!(14);
array_abomonate!(15);
array_abomonate!(16);
array_abomonate!(17);
array_abomonate!(18);
array_abomonate!(19);
array_abomonate!(20);
array_abomonate!(21);
array_abomonate!(22);
array_abomonate!(23);
array_abomonate!(24);
array_abomonate!(25);
array_abomonate!(26);
array_abomonate!(27);
array_abomonate!(28);
array_abomonate!(29);
array_abomonate!(30);
array_abomonate!(31);
array_abomonate!(32);

impl Abomonation for String {
#[inline]
Expand Down