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libsyntax: add Default implementation to OptVec

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This commit is contained in:
Erick Tryzelaar 2013-09-09 19:29:31 -07:00
parent 4a73c8eac7
commit f1374a7044
1 changed files with 4 additions and 0 deletions
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4
src/libsyntax/opt_vec.rs
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@ -140,6 +140,10 @@ impl<A:Eq> Eq for OptVec<A> {
}
}
impl<T> Default for OptVec<T> {
fn default() -> OptVec<T> { Empty }
}
pub struct OptVecIterator<'self, T> {
priv iter: Option<VecIterator<'self, T>>
}