feat: implement Injectable & AsyncInjectable for Default types

2 files changed, 30 insertions, 0 deletions

diff --git a/src/interfaces/async_injectable.rs b/src/interfaces/async_injectable.rs
index 4c18487..3600bac 100644
--- a/src/interfaces/async_injectable.rs
+++ b/src/interfaces/async_injectable.rs
@@ -1,5 +1,6 @@
 //! Interface for structs that can be injected into or be injected to.
 use std::fmt::Debug;
+use std::future::ready;
 
 use crate::errors::injectable::InjectableError;
 use crate::future::BoxFuture;
@@ -32,3 +33,19 @@ impl<DIContainerT> Debug for dyn AsyncInjectable<DIContainerT>
         f.write_str("{}")
     }
 }
+
+impl<T, DIContainerT> AsyncInjectable<DIContainerT> for T
+where
+    T: Default + 'static + Send + Sync,
+{
+    fn resolve<'di_container, 'fut>(
+        _: &'di_container DIContainerT,
+        _: DependencyHistory,
+    ) -> BoxFuture<'fut, Result<TransientPtr<Self>, InjectableError>>
+    where
+        Self: Sized + 'fut,
+        'di_container: 'fut,
+    {
+        Box::pin(ready(Ok(TransientPtr::new(Self::default()))))
+    }
+}
diff --git a/src/interfaces/injectable.rs b/src/interfaces/injectable.rs
index d82f042..1d3a1a7 100644
--- a/src/interfaces/injectable.rs
+++ b/src/interfaces/injectable.rs
@@ -30,3 +30,16 @@ impl<DIContainerT> Debug for dyn Injectable<DIContainerT>
         f.write_str("{}")
     }
 }
+
+impl<T, DIContainerT> Injectable<DIContainerT> for T
+where
+    T: Default + 'static,
+{
+    fn resolve(
+        _: &DIContainerT,
+        _: DependencyHistory,
+    ) -> Result<TransientPtr<Self>, InjectableError>
+    {
+        Ok(TransientPtr::new(Self::default()))
+    }
+}