feat: add into_boxed fn to FieldOwned

2 files changed, 17 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index dbce335..f482b5c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -812,6 +812,18 @@ impl FieldOwned<'_>
 
         unsafe { &*ptr.cast::<T>() }
     }
+
+    pub fn into_boxed<T: 'static>(mut self) -> Box<T>
+    {
+        assert_eq!(TypeId::of::<T>(), self.field_metadata.type_id);
+
+        let layout = self.bytes.layout();
+
+        assert_eq!(layout.size(), size_of::<T>());
+        assert_eq!(layout.align(), align_of::<T>());
+
+        unsafe { Box::from_raw(self.bytes.as_slice_mut().as_mut_ptr().cast::<T>()) }
+    }
 }
 
 #[derive(Debug)]
diff --git a/src/util.rs b/src/util.rs
index 242df23..22f5fb7 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -54,6 +54,11 @@ impl AnonUnique
         }
     }
 
+    pub fn layout(&self) -> &Layout
+    {
+        &self.layout
+    }
+
     pub fn as_slice_mut(&mut self) -> &mut [MaybeUninit<u8>]
     {
         unsafe { std::slice::from_raw_parts_mut(self.ptr.as_ptr(), self.layout.size()) }