serde_valid_literal/
pattern.rs

1#[derive(Debug, Clone, PartialEq, Eq, PartialOrd)]
2pub struct Pattern(String);
3
4macro_rules! impl_from_trait {
5    ($type:ty) => {
6        impl From<$type> for Pattern {
7            fn from(item: $type) -> Self {
8                Self(format!("{:?}", item))
9            }
10        }
11    };
12}
13
14impl_from_trait!(regex::Regex);
15impl_from_trait!(&regex::Regex);
16impl_from_trait!(String);
17impl_from_trait!(&str);
18
19impl std::fmt::Display for Pattern {
20    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
21        write!(f, "{:}", self.0)
22    }
23}