serde_derive 0.9.8

on Rust Cargo

Add with = "..." attribute that serves as a combination of serialize_with and deserialize_with (#763)

 #[derive(Serialize, Deserialize)]
 struct MyStruct {
-    #[serde(serialize_with = "hyper_serde::serialize",
-            deserialize_with = "hyper_serde::deserialize")]
+    #[serde(with = "hyper_serde")]
     headers: Headers,
 }

Whatever path you give, Serde will use $path::serialize as the serializer and $path::deserialize as the deserializer.

Haskell / Pandoc style adjacently tagged enums (#758, thanks @elliottslaughter)

#[derive(Serialize, Deserialize)]
#[serde(tag = "t", content = "c")]
enum MyType {
    One(String),
    Two(u8, u8),
}

Written in JSON syntax, this enum would be represented as:

{ "t": "One", "c": "whatever string" }
{ "t": "Two", "c": [127, 1] }

Allow serde(default) attribute on structs (#780, thanks @Thomasdezeeuw)

#[derive(Serialize, Deserialize)]
#[serde(default)]
struct StructDefault {
    a: i32,
    b: String,
}

impl Default for StructDefault {
    fn default() -> Self {
        StructDefault {
            a: 100,
            b: "default".to_string(),
        }
    }
}

Clamp size hints coming from untrusted input to 4096 (#774, thanks @nox)

This mitigates some types of attacks where untrusted input can instigate the allocation of large vectors or maps.

Optimize the serialization of various std::net types (#778, thanks @SimonSapin)