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)

    }

}