From 87c059a59c9b6b908ed6061f101d7cdee47edcb5 Mon Sep 17 00:00:00 2001
From: Amos Wenger <fasterthanlime@users.noreply.github.com>
Date: Wed, 20 Nov 2024 13:51:48 +0100
Subject: [PATCH] feat: Implement Deserialize and IntoStatic for `Box<T>`
 (#107)

---
 merde/examples/enums.rs       |  4 ++--
 merde_core/src/deserialize.rs | 10 ++++++++++
 merde_core/src/into_static.rs |  8 ++++++++
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/merde/examples/enums.rs b/merde/examples/enums.rs
index 50d2c33..9822b19 100644
--- a/merde/examples/enums.rs
+++ b/merde/examples/enums.rs
@@ -10,7 +10,7 @@ fn main() {
             text: "Hello".into(),
         }),
         ExampleEvent::StringStuff(StringStuff("Some string".into())),
-        ExampleEvent::Emergency(Emergency::NoPizzaLeft),
+        ExampleEvent::Emergency(Box::new(Emergency::NoPizzaLeft)),
     ];
 
     for event in events {
@@ -30,7 +30,7 @@ enum ExampleEvent<'s> {
     MouseDown(MouseDown),
     TextInput(TextInput<'s>),
     StringStuff(StringStuff<'s>),
-    Emergency(Emergency),
+    Emergency(Box<Emergency>),
 }
 
 merde::derive! {
diff --git a/merde_core/src/deserialize.rs b/merde_core/src/deserialize.rs
index 6790074..38f4bbb 100644
--- a/merde_core/src/deserialize.rs
+++ b/merde_core/src/deserialize.rs
@@ -409,6 +409,16 @@ impl<'s> Deserialize<'s> for Cow<'s, str> {
     }
 }
 
+impl<'s, T: Deserialize<'s>> Deserialize<'s> for Box<T> {
+    async fn deserialize<D>(de: &mut D) -> Result<Self, D::Error<'s>>
+    where
+        D: Deserializer<'s> + ?Sized,
+    {
+        let value: T = de.t().await?;
+        Ok(Box::new(value))
+    }
+}
+
 impl<'s, T: Deserialize<'s>> Deserialize<'s> for Option<T> {
     async fn deserialize<D>(de: &mut D) -> Result<Self, D::Error<'s>>
     where
diff --git a/merde_core/src/into_static.rs b/merde_core/src/into_static.rs
index 0358398..3a87f38 100644
--- a/merde_core/src/into_static.rs
+++ b/merde_core/src/into_static.rs
@@ -90,6 +90,14 @@ impl_into_static_passthru!(
     String, u128, u64, u32, u16, u8, i128, i64, i32, i16, i8, bool, char, usize, isize, f32, f64
 );
 
+impl<T: IntoStatic> IntoStatic for Box<T> {
+    type Output = Box<T::Output>;
+
+    fn into_static(self) -> Self::Output {
+        Box::new((*self).into_static())
+    }
+}
+
 impl<T: IntoStatic> IntoStatic for Option<T> {
     type Output = Option<T::Output>;