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Remove object lifetime casts #1

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Remove object lifetime casts #1

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26 changes: 22 additions & 4 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -190,7 +190,11 @@ impl<const N: usize, T> Deref for MultiVec<N, T> {
offsets: &self.offsets,
refs: &self.refs,
}));
self.refs.add(ptr as *mut dyn Placeholder);
self.refs.add(unsafe {
std::mem::transmute::<*mut (dyn Placeholder + '_), *mut (dyn Placeholder + 'static)>(
ptr,
)
});
unsafe { &*ptr }
}
}
Expand All @@ -202,7 +206,11 @@ impl<const N: usize, T> DerefMut for MultiVec<N, T> {
offsets: &self.offsets,
refs: &self.refs,
}));
self.refs.add(ptr as *mut dyn Placeholder);
self.refs.add(unsafe {
std::mem::transmute::<*mut (dyn Placeholder + '_), *mut (dyn Placeholder + 'static)>(
ptr,
)
});
unsafe { &mut *ptr }
}
}
Expand Down Expand Up @@ -235,7 +243,12 @@ macro_rules! impl_index {
refs: self.refs,
}));
let refs = unsafe { &*self.refs };
refs.add(ptr as *mut dyn Placeholder);
refs.add(unsafe {
::std::mem::transmute::<
*mut (dyn Placeholder + '_),
*mut (dyn Placeholder + 'static),
>(ptr)
});
unsafe { &*ptr }
}
}
Expand All @@ -257,7 +270,12 @@ macro_rules! impl_index {
refs: *refs,
}));
let refs = unsafe { &*self.refs };
refs.add(ptr as *mut dyn Placeholder);
refs.add(unsafe {
::std::mem::transmute::<
*mut (dyn Placeholder + '_),
*mut (dyn Placeholder + 'static),
>(ptr)
});
unsafe { &mut *ptr }
}
}
Expand Down