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Issue #46555 - Making IndexVec Send if its contents are Send

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This commit is contained in:
David Teller 2017-12-07 16:04:59 +01:00
parent d1364a65c0
commit 8500fb9c69
1 changed files with 4 additions and 0 deletions
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4
src/librustc_data_structures/indexed_vec.rs
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@ -330,6 +330,10 @@ pub struct IndexVec<I: Idx, T> {
_marker: PhantomData<Fn(&I)>
}
// Whether `IndexVec` is `Send` depends only on the data,
// not the phantom data.
unsafe impl<I: Idx, T> Send for IndexVec<I, T> where T: Send {}
impl<I: Idx, T: serialize::Encodable> serialize::Encodable for IndexVec<I, T> {
fn encode<S: serialize::Encoder>(&self, s: &mut S) -> Result<(), S::Error> {
serialize::Encodable::encode(&self.raw, s)