4 files changed, 51 insertions, 2 deletions

diff --git a/native/src/clipboard.rs b/native/src/clipboard.rs
index 4d59d960..60703c31 100644
--- a/native/src/clipboard.rs
+++ b/native/src/clipboard.rs
@@ -1,4 +1,5 @@
 //! Access the clipboard.
+use std::fmt;
 
 /// A buffer for short-term storage and transfer within and between
 /// applications.
@@ -22,12 +23,19 @@ impl Clipboard for Null {
     fn write(&mut self, _contents: String) {}
 }
 
+/// A clipboard action to be performed by some [`Command`].
+///
+/// [`Command`]: crate::Command
 pub enum Action<T> {
+    /// Read the clipboard and produce `T` with the result.
     Read(Box<dyn Fn(Option<String>) -> T>),
+
+    /// Write the given contents to the clipboard.
     Write(String),
 }
 
 impl<T> Action<T> {
+    /// Maps the output of a clipboard [`Action`] using the provided closure.
     pub fn map<A>(self, f: impl Fn(T) -> A + 'static + Send + Sync) -> Action<A>
     where
         T: 'static,
@@ -38,3 +46,12 @@ impl<T> Action<T> {
         }
     }
 }
+
+impl<T> fmt::Debug for Action<T> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Self::Read(_) => write!(f, "Action::Read"),
+            Self::Write(_) => write!(f, "Action::Write"),
+        }
+    }
+}
diff --git a/native/src/command.rs b/native/src/command.rs
index 1d41539b..6fe518d7 100644
--- a/native/src/command.rs
+++ b/native/src/command.rs
@@ -1,7 +1,9 @@
+//! Run asynchronous actions.
 mod action;
 
 pub use action::Action;
 
+use std::fmt;
 use std::future::Future;
 
 /// A set of asynchronous actions to be performed by some runtime.
@@ -60,3 +62,11 @@ impl<T> Command<T> {
         command.actions()
     }
 }
+
+impl<T> fmt::Debug for Command<T> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let Command(command) = self;
+
+        command.fmt(f)
+    }
+}
diff --git a/native/src/command/action.rs b/native/src/command/action.rs
index 23d6e96e..77be1b59 100644
--- a/native/src/command/action.rs
+++ b/native/src/command/action.rs
@@ -1,9 +1,19 @@
 use crate::clipboard;
 use crate::window;
 
+use std::fmt;
+
+/// An action that a [`Command`] can perform.
+///
+/// [`Command`]: crate::Command
 pub enum Action<T> {
+    /// Run a [`Future`] to completion.
     Future(iced_futures::BoxFuture<T>),
+
+    /// Run a clipboard action.
     Clipboard(clipboard::Action<T>),
+
+    /// Run a window action.
     Window(window::Action),
 }
 
@@ -22,3 +32,15 @@ impl<T> Action<T> {
         }
     }
 }
+
+impl<T> fmt::Debug for Action<T> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Self::Future(_) => write!(f, "Action::Future"),
+            Self::Clipboard(action) => {
+                write!(f, "Action::Clipboard({:?})", action)
+            }
+            Self::Window(action) => write!(f, "Action::Window({:?})", action),
+        }
+    }
+}
diff --git a/native/src/lib.rs b/native/src/lib.rs
index f300e7b9..573be51d 100644
--- a/native/src/lib.rs
+++ b/native/src/lib.rs
@@ -28,8 +28,8 @@
 //! [`druid`]: https://github.com/xi-editor/druid
 //! [`raw-window-handle`]: https://github.com/rust-windowing/raw-window-handle
 //! [renderer]: crate::renderer
-//#![deny(missing_docs)]
-//#![deny(missing_debug_implementations)]
+#![deny(missing_docs)]
+#![deny(missing_debug_implementations)]
 #![deny(unused_results)]
 #![forbid(unsafe_code)]
 #![forbid(rust_2018_idioms)]