collections

src/main.rs

@@ -34,9 +34,12 @@ fn main() {
         thread::sleep(time::Duration::from_millis(250));
         let mut lights = lock.write().unwrap();
         let pattern = format_multiline("val 255 150 0");
-        let res = parse_line(pattern);
+        pattern.iter()
+            .map(|x| parse_line(x))
+            .for_each(|res| {
                 if res.is_ok() {
                     res.unwrap().execute(&mut lights);
                 }
+            });
     }
 }

src/util/pattern.rs

@@ -102,6 +102,10 @@ pub fn parse_line<'a>(v: Vec<String>) -> Result<Box<dyn Pattern<'a>>, ParseError
 
 pub fn format_multiline(input: &str) -> Vec<Vec<String>> {
     input.lines()
-        .map(|x: &str| x.split_whitespace().collect::<Vec<String>>())
+        .map(|x: &str| 
+            x.split_whitespace()
+            .map(|y| String::from(y))
+            .collect::<Vec<String>>()
+        )
         .collect()
 }