Trait serde::ser::SerializeStruct [−][src]
pub trait SerializeStruct {
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>;
fn skip_field(&mut self, key: &'static str) -> Result<(), Self::Error> { ... }
}
Expand description
Returned from Serializer::serialize_struct
.
Example use
ⓘ
use serde::ser::{Serialize, SerializeStruct, Serializer};
struct Rgb {
r: u8,
g: u8,
b: u8,
}
impl Serialize for Rgb {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
let mut rgb = serializer.serialize_struct("Rgb", 3)?;
rgb.serialize_field("r", &self.r)?;
rgb.serialize_field("g", &self.g)?;
rgb.serialize_field("b", &self.b)?;
rgb.end()
}
}
Example implementation
The example data format presented on the website demonstrates an
implementation of SerializeStruct
for a basic JSON data format.
Associated Types
Required methods
Serialize a struct field.