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make backend generic

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This commit is contained in:
nora 2022-04-04 08:18:53 +02:00
parent 3e11ae0f17
commit d144819eb0
3 changed files with 68 additions and 45 deletions
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20
src/strategies.rs
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@ -4,7 +4,7 @@
use crate::StuffingStrategy;
unsafe impl StuffingStrategy for () {
unsafe impl StuffingStrategy<usize> for () {
type Extra = ();
fn is_extra(_data: usize) -> bool {
@ -16,6 +16,14 @@ unsafe impl StuffingStrategy for () {
}
unsafe fn extract_extra(_data: usize) -> Self::Extra {}
fn stuff_ptr(addr: usize) -> usize {
addr
}
fn extract_ptr(inner: usize) -> usize {
inner
}
}
#[cfg(test)]
@ -26,7 +34,7 @@ pub(crate) mod test_strategies {
macro_rules! impl_usize_max_zst {
($ty:ident) => {
// this one lives in usize::MAX
unsafe impl StuffingStrategy for $ty {
unsafe impl StuffingStrategy<usize> for $ty {
type Extra = Self;
fn is_extra(data: usize) -> bool {
@ -42,6 +50,14 @@ pub(crate) mod test_strategies {
unsafe fn extract_extra(_data: usize) -> Self::Extra {
$ty
}
fn stuff_ptr(addr: usize) -> usize {
addr
}
fn extract_ptr(inner: usize) -> usize {
inner
}
}
};
}