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|
use ser::Error;
use serde::ser;
use std::marker::PhantomData;
use void;
pub struct VoidSerializer<Ok> {
void: void::Void,
_marker: PhantomData<Ok>,
}
impl<Ok> ser::SerializeSeq for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_element<T: ?Sized + ser::Serialize>(&mut self,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}
impl<Ok> ser::SerializeTuple for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_element<T: ?Sized + ser::Serialize>(&mut self,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}
impl<Ok> ser::SerializeTupleStruct for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_field<T: ?Sized + ser::Serialize>(&mut self,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}
impl<Ok> ser::SerializeTupleVariant for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_field<T: ?Sized + ser::Serialize>(&mut self,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}
impl<Ok> ser::SerializeMap for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_key<T: ?Sized + ser::Serialize>(&mut self,
_key: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn serialize_value<T: ?Sized + ser::Serialize>(&mut self,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}
impl<Ok> ser::SerializeStruct for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_field<T: ?Sized + ser::Serialize>(&mut self,
_key: &'static str,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}
impl<Ok> ser::SerializeStructVariant for VoidSerializer<Ok> {
type Ok = Ok;
type Error = Error;
fn serialize_field<T: ?Sized + ser::Serialize>(&mut self,
_key: &'static str,
_value: &T)
-> Result<(), Error> {
void::unreachable(self.void)
}
fn end(self) -> Result<Ok, Error> {
void::unreachable(self.void)
}
}
|
