use super::*;
#[derive(Debug)]
pub struct DeserializeFromStr<T: FromStr>(pub T);
impl<'de, T: FromStr> Deserialize<'de> for DeserializeFromStr<T>
where
T::Err: Display,
{
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
Ok(Self(
FromStr::from_str(&String::deserialize(deserializer)?).map_err(serde::de::Error::custom)?,
))
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn deserialize_from_str() {
assert_eq!(
serde_json::from_str::<DeserializeFromStr<u64>>("\"1\"")
.unwrap()
.0,
1,
);
}
}