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

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

Returned from Serializer::serialize_struct_variant.

use serde::ser::{Serialize, Serializer, SerializeStructVariant};

enum E {
    S { r: u8, g: u8, b: u8 }
}

impl Serialize for E {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
        where S: Serializer
    {
        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

Must match the Ok type of our Serializer.

Must match the Error type of our Serializer.

Required Methods

Serialize a struct variant field.

Finish serializing a struct variant.

Implementors