Initialized task1.

hw8/task1/Cargo.toml

+[package]
+name = "task1"
+version = "0.1.0"
+authors = ["Joshua Rutschmann <joshua.rutschmann@gmx.de>"]
+
+[dependencies]

hw8/task1/src/lib.rs

+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+        assert_eq!(2 + 2, 4);
+    }
+}