[Add] basic split

iota-cli/src/interaction_result.rs

@@ -0,0 +1,49 @@
+use std::fmt::{Debug, Formatter};
+use std::future::Future;
+use std::pin::Pin;
+
+use crate::screens::screens::Screen;
+
+#[allow(unused)]
+pub enum InteractionResult {
+    CloseScreen,
+    OpenScreen {
+        screen: Box<dyn Screen>,
+    },
+    OpenFutureScreen {
+        screen: Pin<Box<dyn Future<Output = Box<dyn Screen>> + Send>>,
+    },
+    Handled,
+    Unhandled,
+}
+
+impl Debug for InteractionResult {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        match self {
+            InteractionResult::OpenScreen { screen: _ } => write!(f, "OpenScreen"),
+            InteractionResult::OpenFutureScreen { screen: _ } => write!(f, "OpenFutureScreen"),
+            InteractionResult::CloseScreen => write!(f, "CloseScreen"),
+            InteractionResult::Handled => write!(f, "Handled"),
+            InteractionResult::Unhandled => write!(f, "Unhandled"),
+        }
+    }
+}
+
+impl PartialEq for InteractionResult {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (
+                InteractionResult::OpenScreen { screen: _ },
+                InteractionResult::OpenScreen { screen: _ },
+            ) => true,
+            (
+                InteractionResult::OpenFutureScreen { screen: _ },
+                InteractionResult::OpenFutureScreen { screen: _ },
+            ) => true,
+            (InteractionResult::CloseScreen, InteractionResult::CloseScreen) => true,
+            (InteractionResult::Handled, InteractionResult::Handled) => true,
+            (InteractionResult::Unhandled, InteractionResult::Unhandled) => true,
+            _ => false,
+        }
+    }
+}