ruwuma/ruma-serde/src/json_string.rs
2020-08-08 21:52:58 +02:00

26 lines
707 B
Rust

//! De-/serialization functions to and from json strings, allows the type to be used as a query
//! string.
use serde::{
de::{Deserialize, DeserializeOwned, Deserializer, Error as _},
ser::{Error as _, Serialize, Serializer},
};
pub fn serialize<T, S>(filter: T, serializer: S) -> Result<S::Ok, S::Error>
where
T: Serialize,
S: Serializer,
{
let json = serde_json::to_string(&filter).map_err(S::Error::custom)?;
serializer.serialize_str(&json)
}
pub fn deserialize<'de, T, D>(deserializer: D) -> Result<T, D::Error>
where
T: DeserializeOwned,
D: Deserializer<'de>,
{
let s = String::deserialize(deserializer)?;
serde_json::from_str(&s).map_err(D::Error::custom)
}