ocpi/
common.rs

1use std::{fmt, str::FromStr};
2
3pub struct FromStrVisitor<T> {
4    expecting: &'static str,
5    _marker: std::marker::PhantomData<T>,
6}
7
8impl<T> FromStrVisitor<T> {
9    pub fn expecting(expecting: &'static str) -> Self {
10        Self {
11            expecting,
12            _marker: std::marker::PhantomData::default(),
13        }
14    }
15}
16
17impl<'de, T: 'de> serde::de::Visitor<'de> for FromStrVisitor<T>
18where
19    T: FromStr,
20    <T as FromStr>::Err: fmt::Display,
21{
22    type Value = T;
23
24    fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
25        formatter.write_str(self.expecting)
26    }
27
28    fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
29    where
30        E: serde::de::Error,
31    {
32        s.parse::<T>().map_err(E::custom)
33    }
34}
ocpi/common.rs

ocpi/
common.rs
