use crate::err::Error;
use crate::statements::BeginStatement;
use crate::value::serde::ser;
use serde::ser::Error as _;
use serde::ser::Impossible;
pub struct Serializer;
impl ser::Serializer for Serializer {
type Ok = BeginStatement;
type Error = Error;
type SerializeSeq = Impossible<BeginStatement, Error>;
type SerializeTuple = Impossible<BeginStatement, Error>;
type SerializeTupleStruct = Impossible<BeginStatement, Error>;
type SerializeTupleVariant = Impossible<BeginStatement, Error>;
type SerializeMap = Impossible<BeginStatement, Error>;
type SerializeStruct = Impossible<BeginStatement, Error>;
type SerializeStructVariant = Impossible<BeginStatement, Error>;
const EXPECTED: &'static str = "a unit struct `BeginStatement`";
#[inline]
fn serialize_unit_struct(self, name: &'static str) -> Result<Self::Ok, Error> {
match name {
"BeginStatement" => Ok(BeginStatement),
name => Err(Error::custom(format!("unexpected unit struct `{name}`"))),
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use ser::Serializer as _;
use serde::Serialize;
#[test]
fn default() {
let stmt = BeginStatement;
let value: BeginStatement = stmt.serialize(Serializer.wrap()).unwrap();
assert_eq!(value, stmt);
}
}