tenderdash_proto/serializers/
optional_from_str.rs

1//! De/serialize an optional type that must be converted from/to a string.
2
3use core::{fmt::Display, str::FromStr};
4
5use serde::{Deserialize, Deserializer, Serializer, de::Error};
6
7use crate::prelude::*;
8
9pub fn serialize<S, T>(value: &Option<T>, serializer: S) -> Result<S::Ok, S::Error>
10where
11    S: Serializer,
12    T: ToString,
13{
14    match value {
15        Some(t) => serializer.serialize_some(&t.to_string()),
16        None => serializer.serialize_none(),
17    }
18}
19
20pub fn deserialize<'de, D, T>(deserializer: D) -> Result<Option<T>, D::Error>
21where
22    D: Deserializer<'de>,
23    T: FromStr,
24    T::Err: Display,
25{
26    let s = match Option::<String>::deserialize(deserializer)? {
27        Some(s) => s,
28        None => return Ok(None),
29    };
30    Ok(Some(s.parse().map_err(|e: <T as FromStr>::Err| {
31        D::Error::custom(format!("{e}"))
32    })?))
33}

tenderdash_proto/serializers/optional_from_str.rs

tenderdash_proto/serializers/
optional_from_str.rs