feat!: move runner functions to sealed trait

2 files changed, 11 insertions, 1 deletions

diff --git a/src/component.rs b/src/component.rs
index 32dab6d..6706268 100644
--- a/src/component.rs
+++ b/src/component.rs
@@ -39,7 +39,9 @@ pub trait Component: Send + 'static {
     type Updater: Update;
     type Colorer: Update;
     type Handler: Button;
+}
 
+pub trait Runner: Component + private::Sealed {
     fn run<R: Read + Send>(reader: R) -> impl Future<Output = Result<(), Error>> + Send {
         async move {
             use std::io::BufRead;
@@ -139,6 +141,14 @@ pub trait Component: Send + 'static {
     }
 }
 
+impl<T: Component> Runner for T {}
+
+mod private {
+    pub trait Sealed {}
+
+    impl<T: super::Component> Sealed for T {}
+}
+
 pub trait Update: Send + 'static {
     type Value: Send;
 
diff --git a/src/main.rs b/src/main.rs
index 3b6ed8b..aa74e09 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,4 @@
-use i3blocks::component::{Component, Icon, Next, Play, Prev, Title, Volume};
+use i3blocks::component::{Icon, Next, Play, Prev, Runner, Title, Volume};
 
 #[tokio::main]
 async fn main() -> Result<(), main_error::MainError> {