1 files changed, 10 insertions, 3 deletions
diff --git a/native/src/program.rs b/native/src/program.rs
index 9ee72703..75fab094 100644
--- a/native/src/program.rs
+++ b/native/src/program.rs
@@ -1,5 +1,5 @@
 //! Build interactive programs using The Elm Architecture.
-use crate::{Command, Element, Renderer};
+use crate::{Clipboard, Command, Element, Renderer};
 
 mod state;
 
@@ -11,7 +11,10 @@ pub trait Program: Sized {
     type Renderer: Renderer;
 
     /// The type of __messages__ your [`Program`] will produce.
-    type Message: std::fmt::Debug + Send;
+    type Message: std::fmt::Debug + Clone + Send;
+
+    /// The type of [`Clipboard`] your [`Program`] will use.
+    type Clipboard: Clipboard;
 
     /// Handles a __message__ and updates the state of the [`Program`].
     ///
@@ -21,7 +24,11 @@ pub trait Program: Sized {
     ///
     /// Any [`Command`] returned will be executed immediately in the
     /// background by shells.
-    fn update(&mut self, message: Self::Message) -> Command<Self::Message>;
+    fn update(
+        &mut self,
+        message: Self::Message,
+        clipboard: &mut Self::Clipboard,
+    ) -> Command<Self::Message>;
 
     /// Returns the widgets to display in the [`Program`].
     ///