initial codewars submission

src/main.rs

@@ -1,3 +1,39 @@
 fn main() {
-    println!("Hello, world!");
+
+    let args = vec![
+        [0,0,0,1],
+        [0,1,1,0],
+        [1,1,1,1]
+        ];
+
+    println!();
+
+    for arg in args {
+        println!("{:?}  {:12?}{:4?}{:4?}",
+            arg,
+            arg.iter()
+                .map(|i| i.to_string())
+                .collect::<String>(),
+            u32::from_str_radix(
+                &arg.iter()
+                    .map(|i| i.to_string())
+                    .collect::<String>(),
+                    2
+                ).unwrap(),
+            binary_slice_to_number(&arg)
+        );
+    }
+
+    println!();
+}
+
+fn func<T>(arg: &T) -> &T {
+    arg
+}
+
+fn binary_slice_to_number(slice: &[u32]) -> u32 {
+    u32::from_str_radix(
+        &slice.iter().map(|i| i.to_string()).collect::<String>(),
+        2
+    ).unwrap()
 }