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Implement Default for Chain to be an empty chain

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David Tolnay 2019-11-22 18:12:28 -08:00
parent ca2b8b9bb0
commit 2d8d0aa02a
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1 changed files with 10 additions and 0 deletions
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10
src/chain.rs
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@ -75,3 +75,13 @@ impl ExactSizeIterator for Chain<'_> {
}
}
}
impl Default for Chain<'_> {
fn default() -> Self {
Chain {
state: ChainState::Buffered {
rest: Vec::new().into_iter(),
},
}
}
}