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feat(impls): Allow options to be deserialized from units

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Erick Tryzelaar
2016-01-23 16:07:50 -08:00
parent da4e37d3f5
commit 0a32cea26e
1 changed files with 7 additions and 0 deletions
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serde/src/de/impls.rs
+7
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@@ -283,6 +283,13 @@ impl<
> Visitor for OptionVisitor<T> { > Visitor for OptionVisitor<T> {
type Value = Option<T>; type Value = Option<T>;
#[inline]
fn visit_unit<E>(&mut self) -> Result<Option<T>, E>
where E: Error,
{
Ok(None)
}
#[inline] #[inline]
fn visit_none<E>(&mut self) -> Result<Option<T>, E> fn visit_none<E>(&mut self) -> Result<Option<T>, E>
where E: Error, where E: Error,