39 lines
830 B
Rust
39 lines
830 B
Rust
use serde::{Serialize, Serializer, Deserialize, Deserializer, Error as SerdeError};
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use serde::de::Visitor;
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use super::Error;
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#[derive(Debug, PartialEq)]
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pub enum Version {
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V3,
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}
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impl Serialize for Version {
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fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
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where S: Serializer {
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match *self {
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Version::V3 => serializer.serialize_u64(3)
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}
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}
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}
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impl Deserialize for Version {
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fn deserialize<D>(deserializer: &mut D) -> Result<Version, D::Error>
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where D: Deserializer {
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deserializer.deserialize(VersionVisitor)
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}
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}
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struct VersionVisitor;
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impl Visitor for VersionVisitor {
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type Value = Version;
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fn visit_u64<E>(&mut self, value: u64) -> Result<Self::Value, E> where E: SerdeError {
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match value {
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3 => Ok(Version::V3),
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_ => Err(SerdeError::custom(Error::UnsupportedVersion))
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}
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}
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}
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