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use std::{collections::HashMap, convert::Infallible, fmt::Display};
use serde::de::DeserializeOwned;
pub trait FromRaw: Sized {
type Raw: DeserializeOwned;
fn from_raw(_: Self::Raw) -> Self;
}
pub trait TryFromRaw: Sized {
type Raw: DeserializeOwned;
type Err: Display;
fn try_from_raw(_: Self::Raw) -> Result<Self, Self::Err>;
}
impl FromRaw for serde_json::Value {
type Raw = Self;
fn from_raw(raw: Self) -> Self {
raw
}
}
impl<K, V, S> FromRaw for HashMap<K, V, S>
where
Self: DeserializeOwned,
{
type Raw = Self;
fn from_raw(raw: Self) -> Self {
raw
}
}
impl<T: FromRaw> TryFromRaw for T {
type Raw = <T as FromRaw>::Raw;
type Err = Infallible;
fn try_from_raw(raw: Self::Raw) -> Result<Self, Self::Err> {
Ok(Self::from_raw(raw))
}
}