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use crate::de::{Deserialize, DeserializeSeed, Deserializer};
/// A DeserializeSeed helper for implementing deserialize_in_place Visitors.
///
/// Wraps a mutable reference and calls deserialize_in_place on it.
pub struct InPlaceSeed<'a, T: 'a>(pub &'a mut T);
impl<'a, 'de, T> DeserializeSeed<'de> for InPlaceSeed<'a, T>
where
T: Deserialize<'de>,
{
type Value = ();
fn deserialize<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
where
D: Deserializer<'de>,
{
T::deserialize_in_place(deserializer, self.0)
}
}