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Update for unsafe-any changes.

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This commit is contained in:
Jonathan Reem
2015-01-03 13:15:21 +01:00
parent 76126fc6c7
commit 541e21dbd1
1 changed files with 14 additions and 6 deletions
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20
src/net.rs
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@@ -105,12 +105,20 @@ impl<'a> Writer for &'a mut NetworkStream {
fn flush(&mut self) -> IoResult<()> { (**self).flush() } fn flush(&mut self) -> IoResult<()> { (**self).flush() }
} }
impl UncheckedBoxAnyDowncast for Box<NetworkStream + Send> { impl UnsafeAnyExt for NetworkStream + Send {
unsafe fn downcast_unchecked<T: 'static>(self) -> Box<T> { unsafe fn downcast_ref_unchecked<T: 'static>(&self) -> &T {
let to = *mem::transmute::<&Box<NetworkStream + Send>, &raw::TraitObject>(&self); mem::transmute(mem::transmute::<&NetworkStream + Send,
// Prevent double-free. raw::TraitObject>(self).data)
mem::forget(self); }
mem::transmute(to.data)
unsafe fn downcast_mut_unchecked<T: 'static>(&mut self) -> &mut T {
mem::transmute(mem::transmute::<&mut NetworkStream + Send,
raw::TraitObject>(self).data)
}
unsafe fn downcast_unchecked<T: 'static>(self: Box<NetworkStream + Send>) -> Box<T> {
mem::transmute(mem::transmute::<Box<NetworkStream + Send>,
raw::TraitObject>(self).data)
} }
} }