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
.
ⓘThis example is not tested
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>
&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, type Ok = Ok; type Error = E;