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Diffstat (limited to 'vendor/serde/src/de/seed.rs')
-rw-r--r-- | vendor/serde/src/de/seed.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/vendor/serde/src/de/seed.rs b/vendor/serde/src/de/seed.rs new file mode 100644 index 000000000..13b7ea461 --- /dev/null +++ b/vendor/serde/src/de/seed.rs @@ -0,0 +1,19 @@ +use 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) + } +} |