Trait serde::ser::SerializeStructVariant [−] [src]

pub trait SerializeStructVariant {
    type Ok;
    type Error: Error;
    fn serialize_field<T: ?Sized + Serialize>(&mut self,
                                              key: &'static str,
                                              value: &T)
                                              -> Result<(), Self::Error>;
    fn end(self) -> Result<Self::Ok, Self::Error>;
}

Returned from Serializer::serialize_struct_variant.

match *self {
    E::S { ref r, ref g, ref b } => {
        let mut sv = serializer.serialize_struct_variant("E", 0, "S", 3)?;
        sv.serialize_field("r", r)?;
        sv.serialize_field("g", g)?;
        sv.serialize_field("b", b)?;
        sv.end()
    }
}

Associated Types

`type Ok`

Must match the Ok type of our Serializer.

`type Error: Error`

Must match the Error type of our Serializer.

Required Methods

`fn serialize_field<T: ?Sized + Serialize>(&mut self, key: &'static str, value: &T) -> Result<(), Self::Error>`

Serialize a struct variant field.

`fn end(self) -> Result<Self::Ok, Self::Error>`

Finish serializing a struct variant.

Implementors

impl<Ok, E> SerializeStructVariant for Impossible<Ok, E> where E: Error