by_types/
query_param.rs

1#[derive(Debug, Clone, Default, PartialEq, serde::Serialize, serde::Deserialize)]
2#[cfg_attr(feature = "server", derive(schemars::JsonSchema, aide::OperationIo))]
3pub enum QueryParam<T> {
4    #[default]
5    None,
6    Some(T),
7}
8
9impl<T: std::fmt::Display> std::fmt::Display for QueryParam<T> {
10    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
11        match self {
12            Self::None => write!(f, ""),
13            Self::Some(v) => write!(f, "{}", v),
14        }
15    }
16}
17
18impl<T: std::str::FromStr> std::str::FromStr for QueryParam<T> {
19    type Err = String;
20
21    fn from_str(s: &str) -> Result<Self, Self::Err> {
22        if s.is_empty() {
23            return Ok(Self::None);
24        }
25
26        match T::from_str(s) {
27            Ok(v) => Ok(Self::Some(v)),
28            Err(_) => Ok(Self::None),
29        }
30    }
31}
32
33impl<T: std::fmt::Display> QueryParam<T> {
34    pub fn to_string(&self) -> String {
35        format!("{}", self)
36    }
37}
by_types/query_param.rs

by_types/
query_param.rs
