1.2.2

This closes #149 and #152

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rustlings"
-version = "1.1.1"
+version = "1.2.2"
 authors = ["Olivia <819880950@qq.com>", "Carol (Nichols || Goulding) <carol.nichols@gmail.com"]
 edition = "2018"
 

exercises/move_semantics/move_semantics4.rs

@@ -16,7 +16,8 @@ fn main() {
 
 }
 
-fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
+// `fill_vec()` no longer take `vec: Vec<i32>` as argument
+fn fill_vec() -> Vec<i32> {
     let mut vec = vec;
 
     vec.push(22);

exercises/test2.rs

@@ -17,6 +17,11 @@ mod tests {
 
     #[test]
     fn returns_twice_of_positive_numbers() {
-        assert_eq!(4, 4);
+        assert_eq!(times_two(4), ???);
+    }
+
+    #[test]
+    fn returns_twice_of_negative_numbers() {
+        // TODO write an assert for `times_two(-4)`
     }
 }

src/main.rs

@@ -55,6 +55,7 @@ fn main() {
             "{} must be run from the rustlings directory",
             std::env::current_exe().unwrap().to_str().unwrap()
         );
+        println!("Try `cd rustlings/`!");
         std::process::exit(1);
     }