1 files changed, 5 insertions, 0 deletions
diff --git a/src/ptr.rs b/src/ptr.rs
index 00c74f4..082edf2 100644
--- a/src/ptr.rs
+++ b/src/ptr.rs
@@ -1,8 +1,13 @@
 #![allow(clippy::module_name_repetitions)]
+
+//! Smart pointer type aliases.
 use std::rc::Rc;
 
+/// A smart pointer unique to the holder.
 pub type TransientPtr<Interface> = Box<Interface>;
 
+/// A smart pointer to a shared resource.
 pub type SingletonPtr<Interface> = Rc<Interface>;
 
+/// A smart pointer to a factory.
 pub type FactoryPtr<FactoryInterface> = Rc<FactoryInterface>;