add base cli

1 files changed, 17 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index b66a7b4..867a09c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,3 +3,20 @@ pub mod error;
 pub mod feed;
 pub mod manager;
 pub mod status;
+
+pub trait PrintResult {
+    fn print(&self);
+}
+
+impl<T, E> PrintResult for Result<T, E>
+where
+    T: std::fmt::Display,
+    E: std::fmt::Display,
+{
+    fn print(&self) {
+        match self {
+            Ok(ok) => println!("{ok}"),
+            Err(err) => eprintln!("{err}"),
+        }
+    }
+}