Fixing main function errors in move_semantics/

move_semantics/move_semantics1.rs

@@ -1,7 +1,7 @@
 // move_semantics1.rs
 // Make me compile! Scroll down for hints :)
 
-pub fn main() {
+fn main() {
     let vec0 = Vec::new();
 
     let vec1 = fill_vec(vec0);

move_semantics/move_semantics2.rs

@@ -1,7 +1,7 @@
 // move_semantics2.rs
 // Make me compile without changing line 10! Scroll down for hints :)
 
-pub fn main() {
+fn main() {
     let vec0 = Vec::new();
 
     let mut vec1 = fill_vec(vec0);

move_semantics/move_semantics3.rs

@@ -3,7 +3,7 @@
 // (no lines with multiple semicolons necessary!)
 // Scroll down for hints :)
 
-pub fn main() {
+fn main() {
     let vec0 = Vec::new();
 
     let mut vec1 = fill_vec(vec0);

move_semantics/move_semantics4.rs

@@ -3,7 +3,7 @@
 // in `fn main`, we instead create it within `fn fill_vec` and transfer the
 // freshly created vector from fill_vec to its caller. Scroll for hints!
 
-pub fn main() {
+fn main() {
     let vec0 = Vec::new();
 
     let mut vec1 = fill_vec(vec0);