hcl_primitives/
de.rs

1use core::fmt;
2use core::marker::PhantomData;
3use serde::de;
4
5pub(crate) struct FromStrVisitor<T> {
6    expecting: &'static str,
7    marker: PhantomData<T>,
8}
9
10impl<T> FromStrVisitor<T> {
11    pub(crate) fn new(expecting: &'static str) -> FromStrVisitor<T> {
12        FromStrVisitor {
13            expecting,
14            marker: PhantomData,
15        }
16    }
17}
18
19impl<T> de::Visitor<'_> for FromStrVisitor<T>
20where
21    T: std::str::FromStr,
22    T::Err: fmt::Display,
23{
24    type Value = T;
25
26    fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
27        formatter.write_str(self.expecting)
28    }
29
30    fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
31    where
32        E: de::Error,
33    {
34        T::from_str(value).map_err(de::Error::custom)
35    }
36}
hcl_primitives/de.rs

hcl_primitives/
de.rs
