Much renaming and refreshing of RBE

rustbyexample/hello.d/print.d/print_display.d/testcase_list.rs

@@ -0,0 +1,25 @@
+use std::fmt;
+
+struct List(Vec<i32>);
+
+impl fmt::Display for List {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        let vec = &self.0;
+
+        write!(f, "[")?;
+
+        for (count, v) in vec.iter().enumerate() {
+            if count != 0 {
+                write!(f, ", ")?;
+            }
+            write!(f, "{}: {}", count, v)?;
+        }
+
+        write!(f, "]")
+    }
+}
+
+fn main() {
+    let v = List(vec![6, 0, 6, 8, 0, 8, 9, 1, 1, 1, 3, 1, 2]);
+    println!("{}", v);
+}