Rust mini update - not working

imaginary_numbers/rust/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
-
 name = "hello_world"
-version = "0.0.1"
-authors = [
-    "Christian Chavez <[email protected]>"
-]
+version = "0.1.0"
+authors = ["x10an14 <[email protected]>"]
+
+[dependencies]
+num = "0.1.40"

imaginary_numbers/rust/src/main.rs

@@ -1,3 +1,33 @@
+extern crate num;
+use num::Float;
+
+pub struct Complex<T> {
+    pub re: T,
+    pub im: T,
+}
+
+impl<T: Clone> Complex<T> {
+    fn new(re: T, im: T) -> Complex<T> {
+        unimplemented!();
+    }
+
+    fn i() -> Complex<T> {
+        unimplemented!();
+    }
+
+    fn scale(&self, factor: T) -> Complex<T> {
+        unimplemented!();
+    }
+
+    fn unscale(&self, factor: T) -> Complex<T> {
+        unimplemented!();
+    }
+
+
+
+}
+
+
 fn main() {
     println!("Hello, world!");
 }