macros and stuff

exercises/macros/macros1.rs

@@ -8,7 +8,7 @@ macro_rules! my_macro {
 }
 
 fn main() {
-    my_macro();
+    my_macro!();
 }
 
 

exercises/macros/macros2.rs

@@ -1,17 +1,15 @@
 // macros2.rs
 // Make me compile! Scroll down for hints :)
 
-fn main() {
-    my_macro!();
-}
-
 macro_rules! my_macro {
     () => {
         println!("Check out my macro!");
     };
 }
 
-
+fn main() {
+    my_macro!();
+}
 
 
 

exercises/macros/macros3.rs

@@ -1,6 +1,7 @@
 // macros3.rs
 // Make me compile, without taking the macro out of the module! Scroll down for hints :)
 
+#[macro_use]
 mod macros {
     macro_rules! my_macro {
         () => {

exercises/macros/macros4.rs

@@ -4,7 +4,7 @@
 macro_rules! my_macro {
     () => {
         println!("Check out my macro!");
-    }
+    };
     ($val:expr) => {
         println!("Look at this other macro: {}", $val);
     }

exercises/move_semantics/move_semantics1.rs

@@ -4,7 +4,7 @@
 fn main() {
     let vec0 = Vec::new();
 
-    let vec1 = fill_vec(vec0);
+    let mut vec1 = fill_vec(vec0);
 
     println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
 

exercises/test4.rs

@@ -5,6 +5,11 @@
 
 // Write a macro that passes the test! No hints this time, you can do it!
 
+macro_rules! my_macro {
+    ($var:expr) => { //or just ("world!")
+        "Hello world!"
+    }
+}
 fn main() {
     if my_macro!("world!") != "Hello world!" {
         panic!("Oh no! Wrong output!");