Add impls for Arc<T>

Author: fasterthanlime

merde_core/src/deserialize.rs

@@ -6,6 +6,7 @@ use std::{
     hash::{BuildHasher, Hash},
     marker::PhantomData,
     pin::Pin,
+    sync::Arc,
 };
 
 use crate::{
@@ -486,6 +487,13 @@ impl<'s, T: Deserialize<'s>> Deserialize<'s> for Vec<T> {
     }
 }
 
+impl<'s, T: Deserialize<'s>> Deserialize<'s> for Arc<T> {
+    async fn deserialize(de: &mut dyn DynDeserializer<'s>) -> Result<Self, MerdeError<'s>> {
+        let value: T = T::deserialize(de).await?;
+        Ok(Arc::new(value))
+    }
+}
+
 impl<'s, K, V, S> Deserialize<'s> for HashMap<K, V, S>
 where
     K: Deserialize<'s> + Eq + Hash,

merde_core/src/into_static.rs

@@ -4,6 +4,7 @@ use std::collections::HashSet;
 use std::collections::VecDeque;
 use std::hash::BuildHasher;
 use std::hash::Hash;
+use std::sync::Arc;
 
 use crate::Event;
 
@@ -114,6 +115,15 @@ impl<T: IntoStatic> IntoStatic for Vec<T> {
     }
 }
 
+impl<T: IntoStatic + Clone> IntoStatic for Arc<T> {
+    type Output = Arc<T::Output>;
+
+    fn into_static(self) -> Self::Output {
+        let t: T = (*self).clone();
+        Arc::new(t.into_static())
+    }
+}
+
 impl<K, V, S> IntoStatic for HashMap<K, V, S>
 where
     S: BuildHasher + Default + 'static,

merde_core/src/serialize.rs

@@ -1,4 +1,6 @@
-use std::{borrow::Cow, collections::HashMap, future::Future, hash::BuildHasher, pin::Pin};
+use std::{
+    borrow::Cow, collections::HashMap, future::Future, hash::BuildHasher, pin::Pin, sync::Arc,
+};
 
 use crate::{
     metastack::MetastackExt, Array, ArrayStart, CowBytes, CowStr, Event, Map, MapStart, MerdeError,
@@ -211,6 +213,15 @@ impl<T: Serialize> Serialize for Vec<T> {
     }
 }
 
+impl<T: Serialize> Serialize for Arc<T> {
+    async fn serialize<'se>(
+        &'se self,
+        serializer: &'se mut dyn DynSerializer,
+    ) -> Result<(), MerdeError<'static>> {
+        (**self).serialize(serializer).await
+    }
+}
+
 impl<K: Serialize, V: Serialize, BH: BuildHasher> Serialize for HashMap<K, V, BH> {
     async fn serialize<'fut>(
         &'fut self,

merde_core/src/with_lifetime.rs

@@ -1,6 +1,7 @@
 use std::{
     borrow::Cow,
     collections::{HashMap, HashSet, VecDeque},
+    sync::Arc,
 };
 
 use crate::{CowStr, Value};
@@ -84,6 +85,13 @@ where
     type Lifetimed = Vec<T::Lifetimed>;
 }
 
+impl<'s, T> WithLifetime<'s> for Arc<T>
+where
+    T: WithLifetime<'s>,
+{
+    type Lifetimed = Arc<T::Lifetimed>;
+}
+
 impl<'s, T> WithLifetime<'s> for VecDeque<T>
 where
     T: WithLifetime<'s>,