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Unignore VariantVisitor::visit_newtype_seed example

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David Tolnay 2017-04-06 16:21:27 -07:00
parent 9d73271db2
commit 2b449683f3
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1 changed files with 22 additions and 2 deletions
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24
serde/src/de/mod.rs
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@ -1513,14 +1513,34 @@ pub trait VariantVisitor<'de>: Sized {
/// If the data contains a different type of variant, the following
/// `invalid_type` error should be constructed:
///
/// ```rust,ignore
/// ```rust
/// # use serde::de::{self, value, DeserializeSeed, Visitor, VariantVisitor, Unexpected};
/// #
/// # struct X;
/// #
/// # impl<'de> VariantVisitor<'de> for X {
/// # type Error = value::Error;
/// #
/// # fn visit_unit(self) -> Result<(), Self::Error> {
/// # unimplemented!()
/// # }
/// #
/// fn visit_newtype_seed<T>(self, _seed: T) -> Result<T::Value, Self::Error>
/// where T: de::DeserializeSeed
/// where T: DeserializeSeed<'de>
/// {
/// // What the data actually contained; suppose it is a unit variant.
/// let unexp = Unexpected::UnitVariant;
/// Err(de::Error::invalid_type(unexp, &"newtype variant"))
/// }
/// #
/// # fn visit_tuple<V>(self, _: usize, _: V) -> Result<V::Value, Self::Error>
/// # where V: Visitor<'de>
/// # { unimplemented!() }
/// #
/// # fn visit_struct<V>(self, _: &[&str], _: V) -> Result<V::Value, Self::Error>
/// # where V: Visitor<'de>
/// # { unimplemented!() }
/// # }
/// ```
fn visit_newtype_seed<T>(self, seed: T) -> Result<T::Value, Self::Error>
where T: DeserializeSeed<'de>;