builders - done

smart-house/src/device.rs

@@ -1,5 +1,6 @@
 use crate::PrintStatus;
 use std::fmt::Display;
+use std::io::Write;
 
 #[derive(Debug)]
 pub enum Device {
@@ -33,8 +34,8 @@ impl From<super::PowerSocket> for Device {
 }
 
 impl PrintStatus for Device {
-    fn print_status(&self) {
-        println!("{}", self.display());
+    fn print_status_into(&self, out: &mut impl Write) -> Result<(), std::io::Error> {
+        out.write_fmt(format_args!("{}", self.display()))
     }
 }