added new function

11-ownership/src/main.rs

@@ -3,11 +3,16 @@ fn main()
         println!("Hello, world!");
         
         let n = 5;
-        let s = String::from("Learning Ownership");
-        take_ownership(s, n);//s is moved n is copied
-        //println!("{}", s); It's gone
+        let s1 = String::from("Learning Ownership");
+        take_ownership(s1, n);//s1 is moved n is copied
+        //println!("{}", s1); It's gone
         println!("Not Transferred, Just Copied = {}", n);
         
+        let s2 = String::from("Be Right Back");
+        let s3 = take_then_give_back_ownership(s2);
+        //println!("s2 = {}", s2); s2 is long gone
+        println!("s3 = {}", s3);
+
     }
 
 fn take_ownership(our_string:String, our_number:i32)
@@ -16,3 +21,9 @@ fn take_ownership(our_string:String, our_number:i32)
         println!("I got your String = {}", our_string);
         println!("I got your Number = {}", our_number);
     }   //calls "drop" for string, so our_string is gone now
+
+fn take_then_give_back_ownership(our_string:String) -> String
+    {
+        println!("Now String is Here = {}", our_string);
+        our_string
+    }