Switching over to dyn Walkables

src/renderer/renderer.rs

@@ -95,27 +95,25 @@ impl<'a> DustRenderer<'a> {
     }
 }
 
-fn walk_path<'a, C>(context: &'a C, path: &Vec<&str>) -> &'a C
-where
-    C: Walkable<Output = C>,
-{
-    let mut output: &C = context;
+// fn walk_path<'a, C>(context: &'a C, path: &Vec<&str>) -> &'a C
+// where
+//     C: Walkable<Output = C>,
+// {
+//     let mut output: &C = context;
 
-    for elem in path.iter() {
-        output = context.walk(elem);
-    }
+//     for elem in path.iter() {
+//         output = context.walk(elem);
+//     }
 
-    output
-}
+//     output
+// }
 
 #[cfg(test)]
 mod tests {
     use super::*;
 
     impl<'a, I: Walkable> Walkable for HashMap<&str, I> {
-        type Output = I;
-
-        fn walk(&self, segment: &str) -> &I {
+        fn walk(&self, segment: &str) -> &dyn Walkable {
             self.get(segment).unwrap()
         }
 
@@ -125,9 +123,7 @@ mod tests {
     }
 
     impl<'a> Walkable for &str {
-        type Output = u32;
-
-        fn walk(&self, segment: &str) -> &u32 {
+        fn walk(&self, segment: &str) -> &dyn Walkable {
             panic!("Tried to walk down a str");
         }
 
@@ -137,9 +133,7 @@ mod tests {
     }
 
     impl<'a> Walkable for u32 {
-        type Output = u32;
-
-        fn walk(&self, segment: &str) -> &u32 {
+        fn walk(&self, segment: &str) -> &dyn Walkable {
             panic!("Tried to walk down a str");
         }
 
@@ -148,7 +142,7 @@ mod tests {
         }
     }
 
-    fn do_the_walk<'a>(context: &'a impl Walkable, path: &Vec<&str>) -> &'a impl Walkable {
+    fn do_the_walk<'a>(context: &'a impl Walkable, path: &Vec<&str>) -> &'a dyn Walkable {
         let mut output = context;
 
         context.walk(path.first().unwrap())

src/renderer/walkable.rs

@@ -1,9 +1,9 @@
 use super::renderable::Renderable;
 
 pub trait Walkable {
-    type Output: Walkable;
+    // type Output: Walkable;
 
-    fn walk(&self, segment: &str) -> &Self::Output;
+    fn walk(&self, segment: &str) -> &dyn Walkable;
 
     fn val(&self) -> String;
 }